Surface mounted joints on different substrate materials

Risto Rautioaho, L. Karjalainen, Matti Lahdenperä

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Abstract

The deterioration of surface mounted solder and adhesive joints on different substrate materials under thermal cycling was investigated metallographically. Ceramic chip resistors and leadless chip carriers were soft‐soldered or glued onto alumina, FR‐4, aluminium or steel boards and the various cracking modes were observed. Fatigue cracking in the solder under the component (mode A) took place in the case of resistors on an Al substrate and carriers on all boards except alumina. Cracking on the outward surface near the upper and lower corners (mode B) occurred on all boards, but most notably on alumina. Adhesive joints seemed to offer the highest fatigue strength, but their electrical properties suffered continuously in the course of cycling even though cracking was not observed at all in many cases.

Original languageEnglish
Pages (from-to)6 - 10
Number of pages5
JournalMicroelectronics International
Volume8
Issue number1
DOIs
Publication statusPublished - 1991
MoE publication typeA1 Journal article-refereed

Fingerprint

Aluminum Oxide
Adhesive joints
Alumina
aluminum oxides
solders
resistors
Resistors
Soldering alloys
adhesives
Substrates
chips
cycles
Steel
Thermal cycling
Aluminum
deterioration
Deterioration
Electric properties
electrical properties
steels

Cite this

Rautioaho, Risto ; Karjalainen, L. ; Lahdenperä, Matti. / Surface mounted joints on different substrate materials. In: Microelectronics International. 1991 ; Vol. 8, No. 1. pp. 6 - 10.
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Rautioaho, R, Karjalainen, L & Lahdenperä, M 1991, 'Surface mounted joints on different substrate materials', Microelectronics International, vol. 8, no. 1, pp. 6 - 10. https://doi.org/10.1108/eb044431

Surface mounted joints on different substrate materials. / Rautioaho, Risto; Karjalainen, L.; Lahdenperä, Matti.

In: Microelectronics International, Vol. 8, No. 1, 1991, p. 6 - 10.

Research output: Contribution to journalArticleScientificpeer-review

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