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.

Date of Patent:
Jun. 23, 2009

Filed:

Aug. 09, 2005
Applicants:

Muneo Tamura, Nagoya, JP;

Yasuo Souki, Toyota, JP;

Inventors:

Muneo Tamura, Nagoya, JP;

Yasuo Souki, Toyota, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of separating a semiconductor substrate having an implementation member attached thereon includes a dividing process for at least the implementation member on the semiconductor substrate along a separation line, a placing process for film member on a same side as the implementation member, a forming process area by irradiating a laser beam from at least one of a first side of the semiconductor substrate having the implementation member and a second side that is an opposite side of the first side of the semiconductor substrate along the separation line with a focusing point of the laser beam aligned with a substance in the semiconductor substrate and severing/removing at least one semiconductor chip at the separation line from the semiconductor substrate.


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