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Patent Searching and Data


Title:
SEMICONDUCTOR INTEGRATED CIRCUIT TEST EQUIPMENT
Document Type and Number:
Japanese Patent JPH04217337
Kind Code:
A
Abstract:

PURPOSE: To enhance stability of ground potential at the time of simultaneous test of a plurality of semiconductor integrated circuits formed on one wafer and to prevent noise interference due to a ground ring.

CONSTITUTION: The semiconductor integrated circuit test equipment includes a probe card 1 comprising split ground rings 7a, 7b disposed around a central window 6, a first ground probe 3 conducting with one split ground ring 7a and connected with a first semiconductor integrated circuit, and a second ground probe 3 conducting with the other split ground ring 7b and connected with a second semiconductor integrated circuit.


Inventors:
TAKEI TSUTOMU
Application Number:
JP40338390A
Publication Date:
August 07, 1992
Filing Date:
December 18, 1990
Export Citation:
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Assignee:
FUJITSU LTD
International Classes:
G01R1/06; G01R1/073; H01L21/66; (IPC1-7): G01R1/06; G01R1/073; H01L21/66
Attorney, Agent or Firm:
Keizo Okamoto