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Foundry Services for Integrated Circuits
Micrel's Wafer Fab Division offers foundry services to commercial and military IC designers and all manufacturers seeking a production solution compatible with their specific application and/or technology needs. The Micrel foundry provides a variety of flexible wafer fabrication and processing resources which can address unique requirements for short runs or for volume production.
Wafer Fab Capabilities

State-of-the-Art Quality, Process, and Systems

  • SPC 100% >1.0 CPK, 90% >1.33 CPK
  • Die and fab yields >95%
  • OSD (on-time delivery) >95%
  • Cycle time
    • <1.85 mean Cycle Time Per Layer (CTPL)
    • <2.198% CTPL
  • QS9000/ISO9002 preferred
  • FIT rates
    • Super-micron <4
    • Sub-micron <8
  • Customer returns <0.18% of annual sales
  • Realtime SPC deployed
  • World-class benchmarked systems implemented
    • Weekly operations reviews
    • Monthly operations reviews, MBO goals
  • Quarterly system reviews
  • Annual quality audits/review for critical suppliers

Alternate or Second Source Products

  • Mature MOS or bipolar circuits: customer-owned tooling
  • Full custom designs
Available Voltages
Foundry Services

Bipolar, CMOS, BCD, BiCMOS, NMOS, and PMOS

  • Mixed technologies
    • Digital + Analog + Power + MOSFET
  • CMOS/DMOS high voltage with high current
  • Low threshold voltage, low power CMOS
  • Low, medium, and high-voltage bipolar technologies
    • Analog bipolar
    • High-speed bipolar and SiGe
  • Ink jet, optoelectronic, and sensor processes
  • SPICE parameters and characterized library elements available

Micrel has a modern fabrication facility using 1x and 5x steppers (6 inch), positive resist, all-dry etch and "all implanted" processing, with in-house implant, epi, and sputtered metal. Micrel has the capability to produce up to 40,000 wafers per month. Sophisticated state-of-the-art measurement equipment is used to monitor and record line widths, particle levels, film thicknesses, and other important parameters. Final electrical characterization of the wafer test die is provided by automated test equipment.

Micrel has combinations of design, process, and pure foundry services that are sure to fit your exact needs. There are a number of options from which you can select. Each is designed to match your specific situation or requirements to the appropriate Micrel solution:

Foundry: Micrel duplicates your process.

R & D Foundry: Micrel develops a new process to meet your unique need.

Semicustom Foundry: Your design, Micrel's technology and process.

Custom Foundry: Your circuit, Micrel's technology, design and process.

Full-Service Foundry : Your specification, Micrel's design, technology, process, test, and packaging.