The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 1999
Filed:
Oct. 14, 1997
Applicant:
Inventor:
Yasuhiro Tomita, Sanda, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ; H01L / ;
U.S. Cl.
CPC ...
438 18 ;
Abstract
A semiconductor chip having an internal circuit providing a prescribed function is provided. The semiconductor chip includes: a signal pad to be used for input and/or output of a signal to and/or from the internal circuit; a first power supply pad to be used for supplying electric power to the internal circuit both in a mounted condition and in an operational test with a probe; and a second power supply pad to be used for supplying electric power to the internal circuit in the operational test with the probe.