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.:

US 7056628 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 06, 2006

Filed:

Sep. 02, 2003
Applicants:

Shahid Butt, Ossining, NY (US);

Henning Haffner, Dresden, DE;

Inventors:

Shahid Butt, Ossining, NY (US);

Henning Haffner, Dresden, DE;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01F 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A mask is configured for projecting a structure pattern onto a semiconductor substrate in an exposure unit. The exposure unit has a minimum resolution limit for projecting the structure pattern onto the semiconductor substrate. The mask has a substrate, at least one raised first structure element on the substrate which has a lateral extent which is at least the minimum lateral extent that can be attained by the exposure unit, a configuration second raised structure elements which are arranged in an area surrounding the at least one first structure element on the substrate in the form of a matrix with a row spacing and a column spacing, whose shape and size are essentially identical to one another, and which have a respective lateral extent that is less than the minimum resolution limit of the exposure unit.


Find Patent Forward Citations

Butt, Shahid. (2006). Mask for projecting a structure pattern onto a semiconductor substrate (U.S. Patent No. 7056628). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7056628

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…