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Patent Searching and Data


Title:
SOLDER ALLOY, SOLDER JOINING MEMBER, SOLDER PASTE, AND SEMICONDUCTOR PACKAGE
Document Type and Number:
WIPO Patent Application WO/2023/100383
Kind Code:
A1
Abstract:
Provided are a solder alloy, a solder joining member, a solder paste, and a semiconductor package with which it is possible to suppress any separation of a solder joining part and a semiconductor element at the interface between these two components. This solder alloy contains 1.1-8 mass% inclusive of Cu, 6-20 mass% inclusive of Sb, 0.01-0.5 mass% inclusive of Ni, and 0.001-1 mass% of Co, the balance being Sn.

Inventors:
NARUSE SHOUICHIROU (JP)
NAKANO TAKESHI (JP)
SAKAMOTO ISAO (JP)
SHIMADA TOSHIAKI (JP)
OKUBO KOICHI (JP)
Application Number:
PCT/JP2022/008701
Publication Date:
June 08, 2023
Filing Date:
March 01, 2022
Export Citation:
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Assignee:
TAMURA SEISAKUSHO KK (JP)
International Classes:
B23K35/26; B23K35/22; C22C13/02; H05K3/00
Domestic Patent References:
WO2019058650A12019-03-28
WO2019188756A12019-10-03
Foreign References:
JP2018518368A2018-07-12
CN109500510A2019-03-22
KR20190028985A2019-03-20
JPH0216013B21990-04-13
JPH0342865B21991-06-28
JPH0473143B21992-11-20
Attorney, Agent or Firm:
OTA Yoko (JP)
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