About Advanced Substrate Technologies Pte. Ltd.

We are a Singapore-based subsidiary of TOPPAN Holdings Inc., a Japanese pioneer in printing technologies and a leading supplier of high-quality Flip Chip Ball Grid Array (FC-BGA) substrates. We are the first factory in Singapore to pioneer the manufacturing of high-end FC-BGA substrates used in cutting-edge semiconductor products such as network switches and artificial intelligence (AI)/machine learning (ML) devices.

Additionally, our facility will conduct research and development (R&D) aimed at advancing substrate technologies to meet the evolving performance requirements of future products in these domains. Broadcom Inc., a global technology leader specializing in semiconductor design, enterprise software, and security solutions, is also actively supporting the establishment of this state-of-the-art manufacturing facility in Singapore.

 

Resposibilities

Process Development & Optimization                  

• Develop and optimize coating processes for photoresist, and dielectric materials (e.g., PID, PI) on package substrates.
• Establish uniform coating parameters to ensure consistent layer thickness and adhesion.
• Optimize oven/thermal curing profiles for soft bake, hard bake, pre-bake, post-exposure bake (PEB), or final curing.

Tool Management & Setup             

• Define tool requirements and support installation and qualification of coaters, hot plates, and curing ovens.
• Maintain and troubleshoot coating and baking equipment to ensure uptime and performance.
• Work with equipment vendors and facilities teams on preventive maintenance and upgrades.

Process Monitoring & Control                   

• Monitor coating quality, film thickness uniformity, and oven cure parameters using metrology tools (e.g., ellipsometry, thickness gauges, bake sensors).
• Implement process control plans, including SPC charts and run-to-run feedback control.
• Validate material compatibility, adhesion strength, thermal stability, and outgassing behavior.

Defect Prevention & Yield Improvement  

• Identify and resolve coating and baking-related defects.
• Collaborate with upstream and downstream teams to ensure integrated process stability.

Documentation & Compliance

• Create and maintain technical documentation including SOPs, process specs, recipes, and FMEAs.
• Ensure all processes comply with environmental, safety, and chemical handling standards.

Perform any other ad-hoc duties as assigned by the Manager, as required to support the team and organizational goals.

 

Location & Commitments

• Premises located in 9 Pesawat Drive, Singapore 619607
• Permanent, full-time role working 40 hours per week

 

Job Requirements

Professional Qualifications:

• PhD or Master’s degree in Chemical Engineering, Materials Science, Microelectronics, or a related field.
• 5–10+ years of experience in coating and thermal process development in substrate, PCB, or semiconductor manufacturing.
• Familiarity with coating materials such as photoresists, ABF, PI, solder mask, and related chemistries.

Specialized Knowledge & Skills:

• Knowledge of substrate technologies such as Damascene, SAP, ABF build-up, or Embedding.
• Strong analytical and problem-solving skills; experience with DOE and SPC tools.
• Ability to work cross-functionally in a fast-paced, high-volume production or R&D environment.

 

Contact us to apply

If you believe you possess the qualifications for this position, please submit your resume and cover letter to our HR team at hr_career@ast-sg.com.

 

Why Join Us?

• You will have the Opportunity to Make an Impact as pioneer employees in shaping our company’s culture, processes, and success from the ground up.
• You will have ample opportunities for Career Growth and Advancement as our company continues to grow.
• We do embrace Technology AI Innovation and Agile Work Environment where ideas are valued and implemented quickly.
• You will have more chances to take on Ownership initiatives with higher Recognition from the Management.
• We do offer Competitive Compensation, Benefits and Perks as we benchmark ourselves against the market data.
• We fully understand the importance of Work-Life Balance so we do offer Flexible Work Arrangement and Flexi-Time in the company.
• We are planning to introduce a Shuttle Bus Service that will transport employees from designated MRT stations, with potential expansion to include a pickup point at Johor customs.
• Our facility will have a Multi-Purpose Room cater for religious prayer, meditation time and nursing purposes.

 

Closing Statement

AST is dedicated to creating a workplace that is diverse, equitable, and inclusive, where every employee feels appreciated, respected, and empowered to share their unique perspectives.

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