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:
Feb. 15, 2011
Filed:
Dec. 02, 2008
Tadashi Kawanobe, Hitachi, JP;
Yuichi Ohnuma, Hitachi, JP;
Mamoru Mita, Hitachi-shi, Ibaraki, JP;
Hitachi Cable Precision Co., Ltd., Hitachi-shi, JP;
Other;
Abstract
A lead frame includes a base material, a reflection layer formed on a part of the base material, and a characteristic sustaining layer formed at least on the reflection layer to cover the reflection layer for sustaining a characteristic of the reflection layer by isolating the reflection layer from an outside. The reflection layer includes the characteristic to exhibit a predetermined reflectivity to light with a predetermined wavelength, and the characteristic sustaining layer prevents a decrease in the reflectivity of the reflection layer and transmits light reflected by the reflection layer.