MATERIAL OVERVIEW

Characteristics: Kovar has a wide usage in the electronics industry, such as metal parts bonded to hard glass envelopes. These parts are used for such devices as power tubes and X-ray tubes, etc. In the semiconductor industry kovar is used in hermetically sealed packages for both integrated and discrete circuit devices. Kovar is provided in a variety of forms to facilitate efficient manufacturing of various metal parts. It has thermal expansion characteristics matching those of hard glass. Used for matched expansion joints between metals and glass or ceramics.

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GENERAL PROPERTIES

TYPICAL ANALYSES

Chemical Composition

KOVAR WIRE

Wire is spooled to order and sold by the foot or meter. Additional diameters are available upon request. Call or e-mail for a quotation.

KOVAR ROD

Rod is cut to order and sold by the inch or foot. Additional diameters are available upon request. Call or e-mail for a quotation.

KOVAR FOIL

Foil is cut to order and sold by the square inch or square foot.

KOVAR SHEET

Material	Purity
Kovar Sheet .010”
Kovar Sheet .015"
Kovar Sheet .020"
Kovar Sheet .025"
Kovar Sheet .030"
Kovar Sheet .035"
Kovar Sheet .040"
Kovar Sheet .050"
Kovar Sheet .060"
Kovar Sheet .080"
Kovar Sheet .083"
Kovar Sheet .100"
Kovar Sheet .125"
Kovar Sheet .188"
Kovar Sheet .250"
Kovar Sheet .280"
Kovar Sheet .375"
Kovar Sheet .500"
Kovar Sheet .750"
Kovar Sheet 1.00"
Kovar Sheet 1.25"

Sheet is cut to order and sold by the square inch or square foot.

KOVAR POWDER, SHOT, PELLETS, & INGOT

Powder, shot, pellets, and ingots are packaged to order and sold by the gram or kilogram.