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:
Jan. 28, 2003
Filed:
Jul. 13, 2000
Applicant:
Inventors:
Hubert Benzel, Pliezhausen, DE;
Stefan Finkbeiner, Gomaringen, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/162 ;
U.S. Cl.
CPC ...
H01L 2/162 ;
Abstract
A method for manufacturing a membrane in which an n-doped epitaxy layer is applied on a p-doped silicon substrate. Disposed between the silicon substrate and the epitaxy layer is a p-doping which leads to a reduction of the membrane thickness during a subsequent etching process.