Lids

Ceramic Lids


Ceramic Lids

Ceramic Lids are used primarily with Cerquad packages that require a glass or B-staged epoxy coated seal. These lids are used on various multilayer packages where temperature constraints after die attach require a low temperature lid seal.

Chelsea Technology Lids feature:

  • Available in a wide variety of shapes, sizes and thickness
  • Low temperature epoxy or glass seal
  • Solid or window options
  • Marking permanency


Combo Lids

Combo Lids are a metal alloy combination lid / preform assembly that offers a true hermetic seal for semiconductor packages.

Chelsea Technology Combo Lids feature:

  • Highest quality Kovar or Alloy 42 plated to exceed Mil-G 45204 type III grade A
  • Ideal alignment of lid and preform
  • Moisture and corrosion resistance

Combo Lids

Epoxy Lids


Epoxy Lids

Epoxy lids are available with partially cured B staged polymers on the sealing surface to give a one step sealing system.

Epoxy lids offer:

  • Excellent adhesion: metal-glass-ceramics-plastics
  • Low temperature sealing and curing
  • High gel strength
  • Excellent chemical resistance
  • Suited for automated handling equipment


TO Cans

TO Cans are available in a wide assortment of sizes designed to work with the transistor outline headers. Available with weld projections as well as solder seal.


TO Cans

Step Lids


Step Lids


Window Lids (Bulls-Eye Lids)

Bulls-eye lids are glass Kovar lids with a hermetic glass to metal sealed window designed for E-PROM applications.

Bulls-eye lids:

  • Glass enables quick erasure and reprogramming of the semiconductor chip
  • Glass to metal seal is hermetic and passes leak test MIL STD 883, Method 1014
Window Lids

Combo Lid is a Registered Trademark of Williams Advanced Materials

 
 
 

Email Us: info@chelseatech.com
Chelsea Technology, Inc. 300 Willow Street, North Andover, MA 01845 USA
tel: 978 682-3000 fax: 978 682-2223