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:
Oct. 25, 2005
Filed:
Jan. 14, 2003
Takashi Kanda, Kawasaki, JP;
Kiyotaka Seyama, Kawasaki, JP;
Kaoru Sugimoto, Kawasaki, JP;
Souichi Obata, Kawasaki, JP;
Yasutomo Maehara, Kawasaki, JP;
Takashi Kanda, Kawasaki, JP;
Kiyotaka Seyama, Kawasaki, JP;
Kaoru Sugimoto, Kawasaki, JP;
Souichi Obata, Kawasaki, JP;
Yasutomo Maehara, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
It is an object of the present invention to enhance laser beam transmitting efficiency by accurately controlling an interval between a light emitting (light receiving) element () and an optical wave-guide substrate () without causing any fluctuation in the interval in a mounting structure of the light transmitting element in which the light emitting (light receiving) element () is mounted on the optical wave-guide substrate (). When the light emitting (light receiving) element is joined to the sub-mount chip () and when the sub-mount chip () is joined to the optical wave-guide while the element is being directed to the substrate side, the sub-mount chip and the optical wave-guide substrate are joined to each other by the solder bump (). A post () is arranged for regulating an interval between the light emitting (light receiving) element and the optical wave-guide substrate.