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:
May. 22, 2007
Filed:
Feb. 23, 2004
Takeshi Oono, Aichi, JP;
Toshikatsu Takada, Aichi, JP;
Mitsugu Onoda, Nagoya, JP;
Toshifumi Kojima, Aichi, JP;
Toshikazu Horio, Aichi, JP;
Ayako Kawamura, Nagoya, JP;
Takeshi Oono, Aichi, JP;
Toshikatsu Takada, Aichi, JP;
Mitsugu Onoda, Nagoya, JP;
Toshifumi Kojima, Aichi, JP;
Toshikazu Horio, Aichi, JP;
Ayako Kawamura, Nagoya, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A substrate assembly for supporting an optical component includes a substrate having a front surface and a first recess, a second recess formed portion disposed in the first recess and having a second recess smaller in diameter than the first recess and having an open end at least at a side corresponding to the front surface, the second recess formed portion being made of a material having a machinability better than a material forming the substrate, and an alignment guide member fitted in the second recess and having a protruded portion protruding from the front surface of the ceramic substrate and fittingly engageable in an alignment hole of the optical component. A method of producing such a substrate assembly is also provided.