Hermetic Cover Sealing

0 gross and lowest fine leak rates

Hermetic Cover Seal & Test

Develop | Prototype | Support

Customized Development Solutions

MicroCircuit Laboratories (MCL) is the industry process expert for seam weld and seam AuSn hermetic package cover sealing. Our services range from development to problem resolution and production, with deliverables tailored to your specific needs. All sealing processes far exceed industry specifications and are backed by a lifetime warranty. 

Use Cases

Actual Sealed Package Leak Rates

MCL is equipped to deliver hermetic packaging expertise for a wide variety of technologies, markets and applications.


Whether you’re looking for new product development or problem resolution, MCL’s services are customized to your needs. We offer on-site metrology tools, automatic gross and fine leak testing systems, design modeling and more – all coupled with package sealing expertise and delivered with rapid turn times.

Production Services

MCL provides tailored production services, even given tight deadlines. Data files are provided on all networked equipment, including seal processing and test. Hard copy workflow instructions accompany each individual lot. Testing data includes package serial numbering.

Customized Services to Suit Your Needs

How can we help you with new product development or problem resolution?