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Ultrasonic-assisted soldering of Sn-based alloys during die bonding for high-temperature application

  • Harbin Institute of Technology Shenzhen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper describes a new method to achieve rapid formation of intermetallic phases joints for hightemperature packaging application. A high-melting-point joint which consists of (Cu,Ni)6Sn5 and Cu3Sn was formed without flux in air with a high shear strength of 67 MPa was obtained at the conditions of 500 W ultrasonic power for 10 s. Compared with other studies based on transient-liquid-phase soldering, the processing time of our method was dramatically reduced from several hours to several seconds and there was no external force acted on chips.

Original languageEnglish
Title of host publication16th International Conference on Electronic Packaging Technology, ICEPT 2015
EditorsHu He, Keyun Bi, Wenhui Zhu
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages564-567
Number of pages4
ISBN (Electronic)9781467379991
DOIs
StatePublished - 1 Sep 2015
Externally publishedYes
Event16th International Conference on Electronic Packaging Technology, ICEPT 2015 - Changsha, China
Duration: 11 Aug 201514 Aug 2015

Publication series

Name16th International Conference on Electronic Packaging Technology, ICEPT 2015

Conference

Conference16th International Conference on Electronic Packaging Technology, ICEPT 2015
Country/TerritoryChina
CityChangsha
Period11/08/1514/08/15

Keywords

  • Die bonding
  • Intermetallic joint
  • Shear strength
  • Ultrasonic-assisted soldering

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