Fremont, CA, USA
70 days ago
Lead Engineer, Process

Company Overview

Coherent is at the forefront of optical communication technology, developing cutting-edge solutions that push the boundaries of data transmission and signal integrity. Our dedicated team of experts strives to innovate and improve industry standards, contributing to the future of high-speed communication systems.

Job Summary

Responsibilities include wafer fab process development for advanced high speed photo detectors. Work will be done under the guidance of experienced IC design engineers.

Provide Materials and Process support for the development of new products from the New Product Introduction (NPI) phase to production release.  Investigate Metallurgy and Stress related factors from Bonding and Die attach.  Conduct process qualification studies to verify that the selected materials/processes meet the customer end product requirements. Generate process documentation and ability to transfer some new processes to our high-volume coherent.com manufacturing sites in Asia.  Provide initial key feedback to the design teams on the manufacturability (DFM)of the new product. Evaluate and establish process capabilities and take ownership for assembly yield.  Provide the required process and equipment training for onsite technicians and offshore personnel as products are transferred to production.

Primary Duties & Responsibilities

Investigate, DOE, and experiment on metallurgy and stress induced effects related to Die Bonding and Die attach. Develop and model long cavity laser die bonding and sub-mounts of various form factors including interaction with vendor, customer, and Coherent inter-site collaboration. P-side up and P-side down bonding development for laser and detectors. Manage saw process for spacers used in facet coating technology. Characterize the process output including across spacer and within spacer uniformity using profilometer, confocal microscope, and SEM when needed. Design and execute Design of Experiments to optimize the process. Summarize results and present status in monthly or weekly meetings. Track Cpks and SPC parameters and retrain and enforce process and module procedures.

Education, Qualification & other Skills

Minimum 5 yr. experience - BS/MS Engineering or equivalent degree.  The ideal candidate shall have the following abilities:  Knowledge of opto-electronics packaging design and related materials and processes. Hands-on experience with various assembly equipment and processes, such as epoxy/eutectic attach, wire bonding, optical alignment, flip chip, and mechanical assembly.  Knowledgeable in the use of UV epoxies specifically for optical alignment processes.  Strong interpersonal, teaming, and problem-solving skills.  Work effectively with other members of Coherent Corp.  Able to work both independently as an individual contributor and as well as in a team setting. 

Skills

Experience with device fabrication especially in dielectric etch and deposition. Experience with metrology tools such as interferometry and ellipsometry. Experience with SPC rules, control charts, and other aspects of manufacturing / operations are required. Experience with PFMEA, DOE (design of experiment)

Working Conditions

Candidate to work on-site, Monday through Friday Able to work in a clean room Must be able to function in a fast-paced environment, carrying out multiple projects at a time.

Safety Requirements

All employees are required to attend scheduled training, follow the site EHS procedures and II-VI Corporate EHS standards. This includes the use of proper protective equipment (PPE) as required by the job responsibilities.

Managers will ensure that all safety and environmental procedures are followed consistently.  They will ensure that risk assessments are performed, proper training, work instructions, required PPE is available, and will monitor compliance.

Quality and Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent:

 

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome 

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work

 

Coherent Corp is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

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