Probe card having separated upper and lower probe needle groups

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5926028
SERIAL NO

08855952

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A probe card comprises a base having a frame portion to define an opening portion therein and having a lower surface, and first and second resin fixing portions mounted on the lower surface of the frame portion and remote from each other to define a channel therebetween. The first resin fixing portion supports upper- and lower-level probe needle groups such that their intermediate portions are electrically insulated from each other, that distal end portions of the upper-level probe group are exposed to the opening portion of the base, and that distal end portions of the lower-level probe needle group are exposed to the channel. The second resin fixing portion supports intermediate portions of the upper-level probe needle group to be electrically insulated from each other. Needle point groups of the respective probe needle groups are brought into contact with electrodes of a plurality of rows.times.a plurality of columns of semiconductor elements on an inspection target body simultaneously, thereby performing inspection of electrical characteristics of the plurality of semiconductor elements simultaneously.

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Patent Owner(s)

Patent OwnerAddress
TOKYO ELECTRON LIMITED3-1 AKASAKA 5-CHOME MINATO-KU TOKYO 107-6325 107-6325

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mochizuki, Jun Yamanashi-ken, JP 67 459

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