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, 2018
Filed:
Aug. 28, 2014
Harima Chemicals, Incorporated, Kakogawa-shi, Hyogo, JP;
Kazuki Ikeda, Hyogo, JP;
Kosuke Inoue, Hyogo, JP;
Kazuya Ichikawa, Hyogo, JP;
Tadashi Takemoto, Ibaraki, JP;
HARIMA CHEMICALS, INCORPORATED, Kakogawa-Shi, Hyogo, JP;
Abstract
A solder alloy substantially consists of tin, silver, indium, bismuth, and antimony. With respect to the total amount of the solder alloy, the content ratio of the silver is 2.8 mass % or more and 4 mass % or less; the content ratio of the indium is 6.2 mass % or more and 9.0 mass % or less; the content ratio of the bismuth is 0.7 mass % or more and 5.0 mass % or less; the content ratio of the antimony is 0.3 mass % or more and 5.0 mass % or less; and the content ratio of the tin is the remaining ratio and the value of A is 4.36 or less wherein A=0.87×[In content ratio (mass %)]−0.41×[Ag content ratio (mass %)]−0.82×[Sb content ratio (mass %)].