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. 01, 2007
Filed:
Sep. 09, 2004
Applicants:
Takeshi Meguro, Ibaraki, JP;
Tsutomu Koino, Takatsuki, JP;
Naoki Kohyama, Takatsuki, JP;
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 17/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lamp includes a glass bulbwith a concave portion, a baseattached so as to cover at least part of the concave portion, a leadfor supplying electrical power with an end section located in the concave portion, and lead-free solder. The lead free solderis composed mainly of Sn, and further contains, at least, between 5% and 40% inclusive of Sb and between 0% and 10% inclusive of Cu by mass, and has a solidus temperature of at least 235° C.