About Me

I am a Product Design Engineer with a B.S in Mechanical Engineering from The College of New Jersey ('22). I have an interest in up-and-coming technologies such as wearable consumer electronics, robotics, and haptics for VR and AR technologies.

Contact Details

Jason Rosen
jasonrosen59@gmail.com

Education

The College of New Jersey

B.S Mechanical Engineering Ewing, NJ GPA: 3.47 September 2018 - 2022

Relevent Coursework:
Design of Machines and Mechanisms, ME Design & Innovation, FEA, Materials, Senior Project, Vibrations, Manufacturing Processes, Thermo (I & II), Thermal Systems, Digital Circuits & Processers, Chinese.
Honors/Awards:
Captain of the Deans Award Showcase Project (1st place).
Deans List Fall 2019, Spring 2020, Fall 2021, Spring 2021 Semesters.


Park Ridge High School

High School Diploma GPA: 95/100 September 2014-June 2018

Honors/Awards:
Principle and Honor Roll student (16/16 quarters).
Captain Position:
         Boys Tennis team (2018).
         Chess Club (2014-2018).
         Robotics Club (2016-2018).

Work

Consulting & Freelancing

Product Design Engineer San Francisco, CA May 2023 - Present

Open Quantum

Quantum Magneto-Optical Trap (Open Source) San Francisco, CA
Designed an SLA 3D-printed flexure for a MOT atomic cooling mechanism. Reduced cost down by 8%.
Developed a 3d printable three-point kinematic mount to finetune a grating resolution to 0.0001°.

Vivesense

XYZ Micropositioning Flexure Mechanical Design San Francisco, CA
Designed an injection molded flexure microscope stage used for consumers to measure sperm fertility.
Utilized Solidworks and SLA 3D printing for rapid iteration of early-stage prototypes for user testing.
Met a transmission ratio of 1:8 while keeping material costs under $0.006 per unit, FEA simulated.

Bento-Box Charms

Modular Charm Bracelet San Francisco, CA
Designed an injection molded flexure microscope stage used for consumers to measure sperm fertility.
Prototyped using SLA 3d printing, reduced bending moment by 93%; Increased test accuracy by 16%.
Led cross-functional design reviews with Fortune 500 suppliers to produce die-casted prototypes.
Developed documentation to keep track of 35 iteration progressions to produce a final prototype
Applied DFM principles in material selection and process optimization to reduce unit costs by 38%


Swope Design Solutions

Product Design Engineering intern San Francisco, CA October 2022 - May 2023

Operated equipment and hand tools from both a machine shop (CAM, CNC Machines, Lathe, Mill) and prototyping lab (SLA, SLS, FDM 3D printers, laser cutters) to build functional parts out of polymers, glass, foams, and metals.
Designed and fabricated PETG vacuum formed packaging for $125M+ seed funded food manufacturing start-up.
Utilized injection-molding to form high-tolerance silicone seals for surgical robots. (1000+ unit production).
Created injection-molding molds for an easy-to-use laryngeal intubation device to reduce failure rate by ~40%
Fully developed the lighting and hardware subsystems for a second generation of the automatic piano roll scanner in the Stanford library
Redesigned toilet paper QA scanner to reduce friction on exterior of the roll to prevent ripping when scanned.
Maintained client relationships by defining and implementing validation plans while managing project expectations.
Established operational logistics of component purchases and improved average lead time from 2 weeks to 4 days.
Led collaborative brainstorm sessions with cross-function team members to streamline concept development.


Hardesty & Hanover (Leading Civil Engineering Firm)

Product Design Intern New York, NY May 2018 - September 2019

Designed and fabricated a 3D printer filament detector (PLA) using FDM MP that stopped a print when the printer ran out of filament. Saved $15,000 annually through loss of material and time.
Developed and maintained an interactive webpage using a Raspberry Pi that interacted with a 3D printer. Allowed workers to remotely control the printer, to efficiently develop models for clients.


River Horse Brewing Company

Operations Specialist Ewing, NJ Feburary 2022 - May 2022

Assisted in EVT, DVT, PVT, and MP to experiment with new beer flavors to be pushed to full-scale production.
Facilitated brewing production through operation of machinery to support a yearly output of 3.7M cans.
Improved manufacturing bottleneck by optimizing machine speeds to produce an additional ~187,200 cans annually.


Ameriprise Financial - Quach, Chien & Associate Branch

Wealth Management Intern Santa Clara, CA June 2021 - July 2021

Streamlined redundant processes to identify underperforming holdings for removal in client accounts to create efficiency in portfolio management and better performance tracking.
Conducted research in Millennial Investment trends including Cryptocurrencies and NFT’s and presented final research to the entire team.


Villa Restaurant Group

Research Intern RemoteMay 2020 - July 2020

Managed a small team of three to conduct research on finding up-in-coming towns in Florida for real estate investing. Provided the company with multiple buildings that will increase in value.
Implemented Census data to back up hypothesis which resulted in the purchase of a multi-million-dollar apartment complex.


BMW United States Headquarters

Engineering Intern Woodcliff Lake, NJSeptember 2017 - May 2018

Worked directly under the National Technical Training Manager to disassemble unreleased BMW F and R Series Motorcycles for destruction in order to prevent IP theft and leaks to the public.

Certifications

SolidWorks:


Certified SOLIDWORKS Expert in Mechanical Design
Certified SOLIDWORKS Professional in Sheet Metal Design
Certified SOLIDWORKS Professional in Drawing Tools
Certified SOLIDWORKS Professional in Mold Design
Certified SOLIDWORKS Professional in Surface Modeling
Certified SOLIDWORKS Associate in Additive Manufacturing
Engineering in Training (EIT) - Passed the Fundamentals of Engineering (FE) exam






Skills

Hard Skills:

Engineering Software:
                 SolidWorks (Experienced)
                 Inventor (Proficient)
                 Siemens NX (Familiar)
                 Ansys: Vibrations, Stress, Fluids, Thermal (Proficient)
MicroController:
                 RaspberryPi (Familiar)
                 Arduino (Familiar)
Microsoft:
                 Excel (Proficient)
                 Word (Proficient)
                 PowerPoint (Proficient)
                 Office (Proficient)
Programming:
                 Java (Experienced)
                 C++ (Familiar)
                 Python (Familiar)
Web Design:
                 HTML (Experienced)
                 CSS (Proficient)
                 PHP (Familiar)
Rapid Prototyping Skills:
                 3D Printing (Proficient)
                 Laser Cutting (Proficient)
Machinery Skills:
                 Lathe (Proficient)
                 Welding Gun (Familiar)
                 Mill (Familiar)


Soft Skills:

Leadership
Communication
Problem Solving
Creativity


Competitons

Extreme Engineering Challenge - SHPE National Convention

Executive Technical Officer Oct 23-24 , 2020

About:
Participated in a 24-Hour team competition showcasing engineering ability in the creation of a mock company that developed concept cities in virtual reality for potential real-life construction.
Team placed 3rd among over 250 registered users. Assumed the role of CTO, created both the website using Visual Studio and the virtual city using Unity.


Major League Hacking - The College of New Jersey

C++ and Unity March 15-16 , 2019

About:
Participated in a 24-hour competition. My team created a Virtual reality game which provided means to interact with a virtual dog in real time.
Presonally created the animations and provided a way where users could interact with their environment, such a throwing the ball and feeding the dog.


Student Showcase Competition

Team Lead and Designer Aug. 2018 – Dec. 2018

About:
Managed a group of three engineering students to design, build, and present an antique table-top game called “Rainfall”; won both the grand cash prize and the Dean’s recognition awards.
Check out the event Here

The College of New Jersey Leadership

The Professional Academic Society of Technical Advancement Club

Founder and President September 2020 - Current

About:
Founder and current President of an academic club with over 60 active members which prepares engineering students with skills to obtain internships and employment.
Focuses on developing career-oriented soft and hard skills among members while making them aware of possible paths and goals they should set to help them achieve success.


Society of Hispanic Engineers (SHPE)

Treasurer and Recruitment Officer September 2020 - Current

About:
Provided means to recruit both internally and externally into SHPE's TCNJ Chapter
Currently expanded the chapter by 15% with a goal of 30% by Spring 2020.


Chess Club

Vice President and Treasurer September 2018 – Current

About:
Mananged campus events, scheduled meeting/practice rooms, allocation of resources, and plans members/officer training programs.
Keept all financial records, submitted monthly audit statements to CFB contact, notified club of financial issues, prepared budget/allocation requests, allocated funds to purchase new equipment when necessary.


Society of Automotive Engineers

Treasurer September 2019 – Current

About:
Kept all financial records, submitted monthly audit statements to CFB contact, notified club of financial issues, prepared budget/allocation requests, allocated funds to purchase new equipment when necessary.

Volunteering

Habitat for Humanity

Community Volunteer Feburary 2020 - March 2020

Service:
Provided expertise to assist the building of safe and affordable housing to those who are economically disadvantaged or become homeless due to natural disasters

Bonum Builder

Community Volunteer September 2014 - November 2014

Service:
Painted and assisted an organization's effort to rejuvenate an elementary school for the physically disabled

Special Olympics New Jersey

Community Volunteer September 2013 - March 2016

Service:
Helped organize bowling events for students and adults with intellectual or physical disabilities

Projects

Open Quantum

Mechanical Engineer Pre-Launch March 2024 - April 2024

Project Overview
Open Quantum is an open source platform to provide users with step-by-step instructions complete with a BOM and CAD-files to build a Magneto-Optical Trap (MOT). I was responsible to redesign a gradiant flexure mechanism to include a 3-point kinematic mount as well as to simplify the overall design.
Research - The initial design
The initial design of the gradiant mount used a preloaded flexure, a 100tpi Thorlabs fine-pitched screw, and a piezo actuator coupled with a PID controller for fine adjustment. Since this part was going to be 3d printed, I choose to move away from the flexure design due to the unknown variables of the material age which affects the plastic deformation of the flexure.


Additioanlly, the initial design did not have a proper method to fix the gradiant in its Pitch DOF, which is problematic when trying to reach an accuracy of 0.00001 degree.

Below are images of the inherited design:

Design V1
Inherited Design V1
Design V2
Inherited Design V2

Research - kinematic mounts
Generally, kinematic mounts fully constrain all of the degrees of freedom. There are a slew of types of kinematic mounts, though since the goal is to full 3d print the mount, we need to get creative. The problem is that FDM 3d printing is not ideal for precise mounting applications. To learn more about these mounts check out this link here.

Maxwell Criterion Mount
Maxwell Criterion Mount
Thorlabs Kinematic Mount
Thorlabs Kinematic Mount

Design - Updated Model
Due to the long-term failures in a 3D-Printing flexure, I decided to simplify the design using a kinematic mount and allowing it roll freely using a bearing. The mechanism is also preloaded and course and fine adjusted using a similar fine-pitch screws and a pizeo actuator as the inherited designs.

The kinematic mount uses both 3d printed springs and stainless springs to provide the preloading on the front plate. 3 fine-pitch screws are also added to get fine-adjustment of the pitch degree of freedom.

Design V1
Updated Design Top View
Side View
Updated Design Side View

Bento Box Charms

Founder & CEO Pre-Launch June 2023 - Present 2020

Project Overview
The modular bracelet project serves as a hands-on opportunity to learn and apply NX software for design and manufacturing. This endeavor involves creating a safe, interchangeable link bracelet while collaborating with manufacturers, particularly in China, to understand the production process. The primary aim is to gain practical experience in product design, manufacturing, and software proficiency, integrating engineering principles into a real-world project.
Research - The Concept
After days of researching the viability of market, I identified a major competitor in the field of modular braclets. Ends up, they were fairly popular in the 90's and for those who fondly remember such bracelets also remember the pain of the product wripping skin and pulling arm hairs.

On top of that, the price of each charm started at $29 and the customer needed at least 18 to make a full bracelet.

Needless to say, if I am able to remove the pinch points and lower the price to $2.50 per charm, I have a good shot to capture a demographic of 14-18 year olds.

Top View Concept
Top View Concept
Top View Concept

Design Process - Version One
V1 of the charm was modeled using Siemens NX. HTML Video embed
Top View Concept
Top View Concept
Top View Concept

And prototyped using an Elegoo SLA 3d printer.
And prototyped using an Elegoo SLA 3d printer.
Top View Concept
Top View Concept
Top View Concept

This bracelet was too challenging to put on and take off. So, I went back to the drawing board.
Design Process - Version Two
This next design was inspired by a classic hinge design where users can pinch the braclet to add and take off the links.
After some design work, a model was born.
Top View Concept
Top View Concept
Top View Concept

After a month of back-and-forth with a manufacture, the first prototype arrived.
Front View
Back View

This project is still ongoing. Stay tuned for future updates...

Phoenix Coffee Mug

Senior Project May 2021 - May 2022

About

This project focuses on a simple-to-use Self-Brewing mug. The premise behind it that users can heat up and brew the perfect cup of coffee anytime, anywhere. For simplicity, this mug will connect to the user's smart phone allowing them to set the intensity of the beverage and brew.

This is an idea that I was playing with a few years now, and it combines a plethora of engineering disciplines including: mechanical engineering, thermal systems, fluid dynamics, material science, software and computer engineering.

Additionally, by entering this project in a Entrepreneurship Business Plan Competition (MBPC), my team and I are able to get the creative freedom to design a product keeping the consumer as the primary focus.

Check out the engineering report: Download Report

Check out the Business Plan: Download Report

Part 1: Research
Step 1: Research was conducted for the various subsystems. These systems include: the mug hardware, the heating system, electronic subsystem, the brewing subsystem, and the phone application.

Hardware Subsystem: To minimize thermal loss, the team chose to use a double vacuum sealed insulated mug. In order to fit the electronics, the team has designed a smaller inner mug which will be encapsulated by the larger double insulated mug. This will allow the team to make adjustments based off size requirements in the electronics as well as optimizing battery size with heating time.
Heating Subsystem: This system is one of my primary focuses. Mainly, it deals with optimizing the power output of the mug with the amount of time it takes to heat up the water to a certain temperature. I first started with calculations of how many Watts of energy it took to heat a certain amount of water. The calculations can be found here. With these calculations in mind, market research was conducted on how many ounces of coffee a consumer would want to drink. The resulting data was 8 oz. The next factor that was considered was the time it took to heat up. Unfortunately, the limiting factor for heat time needed to be based off of size constraints rather than consumer preferences. The reason behind this was that the (950W) battery required for a 1 minute heat time was exponential bigger than the (315W) battery needed for a 3 minute heat time. A decision matrix was used to determine the best method for transferring heat to the mug. A ceramic hot-end for a 3d printer was chosen over a flexible heating pad.
Electronic Subsystem: This subsystem is currently being prototyped with an Arduino Mega 2560. After the development of all of the needed features, the system will be designed into a PCB board and manufactured to the specification of the mug.
Brewing Subsystem: This subsystem will utilize a submersible pump which will provide adequate pressure to pump the liquid.
Phone Application: This subsystem is currently being designed. Information will be added after the creation of the system.
Part 2: Bench Testing and Prototyping
Hardware Subsystem: This subsystem is currently being Bench Tested. We are using 3d printed food safe filament for both the cap and the pod. Information will be added after further development of the system.
Heating Subsystem: This subsystem is currently being bench tested. In order to test the output of the hot end, an experiment was set up to measure how much time was needed to heat up 8 ounces of water to 140F using only one hot end. A thermistor was added to a double insulated mug and 54 Watts of power (9.4V and 5.7A) was supplied to the hot end. The resulting images show the relationship of Time and Temperature and the setup of the experiment.
Rise of Temp
Rise of Temperature Set-Up
Rise of Temp Graph
Rise of Temperature Over Time Graph
An experiment to measure the degradation of temperature over time was also conducted. The image below demonstrates the resulting data:
Rise of Temp
Degradation of Temperature Set-Up
Did you know:
Problem:
A power supply rated for 32V at 3.2A max, will only push around half of that power if plugged into a component that draws more than 90W.
Solution:
Ends up most modern power supplies have a safety protocol that will step down the power output if it draws out more power than its max output value.
Abstract:
Although this project is still being bench tested, it has been rewarding to work on. Firstly, I am learning new inter-disciplinary skills that help me understand more about my project and about the world around me. There is nothing like the feeling of learning how to use a component successfully from a spec sheet or producing accurate raw data from a sensor. Watching this project slowly going through the stages to become a product in the hands of a consumer, has been a joy to see, and motivates both me and my team to continue development with passion.



Ultimaker - Website and Filament Detector build

Hardware Build May 2018 - September 2019

About
This project was one of my independent tasks during my time at Hardesty & Hanover. Primarily, the task was to make it easier for the company to utilize a Ultimaker 3d printer. This project consisted of two major parts. The first was to develop a website that used Ultimakers API's so that any internal user can remotely monitor and control the 3D printer. The next task was to design, build, and develop a filament detector which automatically stopped the 3D printer when the printer ran out of filament.

Part 1: Website Development
Step 1: Research was conducted on how to go about creating a website. I picked up HTML, Java Script and used PHP to make a simple Hello World Page. Once done, I wrote a basic outline and filled the index.html page with content given the specs.

Step 2: After visualizing the end product and noting various stylistic and practical website components that were needed to achieve the overall goal, I learned and incorporated those components over the content.

Step 3: To provide functionality to the website, API's given by Ultimaker provided a means to control the printer remotely, were added.

Fun Engineering Challenge:
Problem:
One feature that was needed on this website was a live feed video of the printer. There was a camera on the printer and an API that when called, took a still photo of the printer. What is the best way to achieve the primary objective given the information provided?

Solution:
A program was written that called the picture taking API 60 times per second and saved it to a folder. The pictures were called on the website and it produced a 60 fps video made from still images.

Part 2: Filament Detector
Step 1: Knowing that main specification was to detect if there was no more filament feeding into the printer, the design that was ultimately chosen was a S.P.D.T Switch with Roller Lever Actuator. One benefit of choosing this type of switch is that by having a roller lever actuator, the fiction being produced by the dragging filament is greatly reduced. Overall, the reliability of the part increased to a point where it can be used continuously for years with minimal maintenance.
CircuitDiagram
Rolling switch component
Switch Testing

Step 2: During the process of creating the detector case in Inventor, It was quickly realized that if the company were to get another printer, the detector would need to work regardless of the type of printer. The main solution to this problem was to use a audio jack to supply power to the system and be connected to the Rasberry-Pi. One major advantage to this set-up is that any intueruption not originally intended (i.e filament stand breaking or earthquake), API's to stop the 3d printer would be called due to the audio jack being pulled. Below are both the circuit and the CAD renderings.

CircuitDiagram
Detector Circuit
CircuitDiagram
Angled Rendering
CircuitDiagram
Centered Rendering
Step 3: Once developed, the shell of the detector was populated with the circuitry and shut with M6 screws. This was then tested with the associated program for reliability.

CircuitDiagram
Populated Detector
Reliability Test
CircuitDiagram
Final Design
Abstract:
Overall, this is one of my proudest projects on my portfolio because it was the first time that I was able to take a project from conception to a working part which has been used reliably for years. Additionally, besides knowing the CAD portion of the project, I needed to self-teach myself: website development, calling API's, the basics of Linux, electrical systems on a Raspberry-Pi, PHP, and other skills in order to complete this project.


Firetruck Ladder CAD design & FEA Analysis

Team Leader April - May 2021

About
This project was an assignment given in a 400 level Mechanical Design course at The College of New Jersey. The goal was to develop a working CAD model of a firetruck ladder with its 3 main degrees of freedom (Tiller, Extension, and Pitch/Role). The team needed to source all of parts that can not be designed. As the team leader, the team put in over 180 man hours of research, and CAD development which overall produced a realistic model that recieved a grade of 98/100.

Check out the project: Download Report
Part 1: Research and Creation
Step 1: Research was conducted on the various degrees of freedom to create a functional ladder. to get this information, the group called numerous manufactures and fire departments.

Step 2: The group created multiple design matrices for individual components so that the team can optimize the parts being used by both cost and functionality.

Step 3: CAD models were designed in Inventor and Solidworks. The group sourced models from McMaster-Carr and other manufacturing websites to get these parts. Once created, FEA was used on the assemblies find the impact the load will have on the model.

Part 2: Marketing
Step 1: During the Marketing Phase of this project, The group needed to create an accurate parts list so that if anyone wanted to build the ladder, they would have the parts to do so. Additionally, the team wrote an accurate manufacture and hazard guide.

Step 2: In order to get a full understanding of product design, the group was tasked to market the ladder to the class. In preparation, the team did research on multiple ladder developers, focusing on their ladders functionality and price It was found that along with manufactured parts and labor costs, our version of a fire fighter ladder is competitive in its respective market.
FEA and Renderings of the Ladder:

Ladder FEA
FEA on Ladder
Ladder
Full Assembly of The Aerial Ladder Contracted
Abstract:
This project was able to teach me more about the design life-cycle in a real world application. With the completion of this project, I was able to strengthen my design and FEA skills. Lastly, I learned how to optimize design and cost to keep the price of this design competitive with the market price.


3D Printer Build - CAD

Solidworks Model Feburary 2020 - August 2020

About
I designed a 3D printer using my past knowledge of 3D-Printing and Solidworks from personal and school projects. I was planing this project for a while and am looking to physcially build this printer in the near future.
Files
All of the files built in the videos below can be found here
Videos
HTML Video embed
Part 1: Basic Frame and Connectors
Part 2: Train Systems
Part 3: Final Assembly


Light-Up Wall display

Electronics September 2018 - March 2019

About
This project was inspired by the idea to decorate my dorm room in a unique way. Going into this project I had no experience with electrical components and LED's so this project was extremely educational for me.

Research
I knew that the research done was paramount due to working with a potential firehazard. I bought multiple 5v LED strips and a powersupply (shown below)

CircuitDiagram
Power Supply Diagram
PowerSupply
LED Micro-contoller
LED_Strip
Led Strips

Videos
Part 1: Testing
Part 2: Working Build
Part 3: Final Display