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:
Aug. 14, 1984
Filed:
May. 17, 1982
Applicant:
Inventor:
Roger S Countryman, Jr, Austin, TX (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
3241 / ; 324 54 ; 324 / ;
Abstract
In a memory array of capacitive storage cells having first and second polysilicon layers, an accelerated test for defects in insulating layers between substrate and first polysilicon and between first and second polysilicon is made possible by providing a probe pad which is connected to the connection between the first polysilicon and a resistor. The test is further facilitated by replacing the normally diffused resistor by a polysilicon resistor.