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:
Mar. 30, 1999
Filed:
Apr. 04, 1997
Applicant:
Inventors:
Guenter Igel, Teningen, DE;
Martin Mall, Freiburg, DE;
Assignee:
Deutsche ITT Industries GmbH, Freiburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
438460 ; 438 33 ; 438464 ; 438948 ; 437209 ; 324765 ;
Abstract
A process for separating electronic devices connected with one another in a body, the process including thinning the side of the body remote from the electronic devices, separating the electronic devices, and testing electrical parameters of the electronic devices after the thinning of the body. The handling of the body is improved by applying to the side of the body containing the electronic devices, prior to the thinning process, an electrically nonconductive auxiliary layer in which respective contact openings are formed above the electronic devices to expose the contact(s) of the respective electronic device.