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:
Dec. 24, 2002
Filed:
Jan. 31, 2000
Applicant:
Inventors:
Takashi Nakano, Tsukuba, JP;
Junji Tominaga, Tsukuba, JP;
Nobufumi Atoda, Tsukuba, JP;
Akira Sato, Shiga, JP;
Takuji Hatano, Suita, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/135 ;
U.S. Cl.
CPC ...
G11B 7/135 ;
Abstract
A near field light emitting element has a first film made of e.g. Al, an intermediate film made of e.g. SiN and a second film made of e.g. Al on an emergent surface of a solid immersion lens made of a high-refractive material. A first hole is made in the first film, and a second hole is made in the second film. The second hole is smaller in area than the first hole.