JPH046392U - - Google Patents

Info

Publication number
JPH046392U
JPH046392U JP4539690U JP4539690U JPH046392U JP H046392 U JPH046392 U JP H046392U JP 4539690 U JP4539690 U JP 4539690U JP 4539690 U JP4539690 U JP 4539690U JP H046392 U JPH046392 U JP H046392U
Authority
JP
Japan
Prior art keywords
paste
point solder
melting
diagram showing
solder particles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP4539690U
Other languages
English (en)
Other versions
JPH0646637Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990045396U priority Critical patent/JPH0646637Y2/ja
Publication of JPH046392U publication Critical patent/JPH046392U/ja
Application granted granted Critical
Publication of JPH0646637Y2 publication Critical patent/JPH0646637Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Conductive Materials (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Description

【図面の簡単な説明】
第1図はこの考案に係るペースト状はんだを使
用して面実装型電子部品を固定した基板装置の一
例を示す要部の断面図、第2図はこの考案に係る
ペースト状はんだの説明図、第3図は高融点はん
だ粒と低融点はんだ粒との関係を示す図、第4図
はその製造装置の図、第5図は接合不良率の関係
を示す図、第6図はペースト状はんだの接合工程
を示す図、第7図は面実装部品とプリント基板と
の関係を示す図、第8図は従来のペースト状はん
だによるマンハツタン現象の発生を示す図である
。 1……面実装部品、3,4……電極部、5……
プリント基板、6,7……導電層、10,11…
…ペースト状はんだ、10a……高融点はんだ粒
、10b……低融点はんだ粒、12……液状フラ
ツクス。

Claims (1)

    【実用新案登録請求の範囲】
  1. 高融点はんだ粒の外周に低融点はんだ粒が付着
    した状態で、これらが液状フラツクスなどと混合
    されてペースト状となされたことを特徴とするペ
    ースト状はんだ。
JP1990045396U 1990-04-28 1990-04-28 ペースト状はんだ Expired - Lifetime JPH0646637Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990045396U JPH0646637Y2 (ja) 1990-04-28 1990-04-28 ペースト状はんだ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990045396U JPH0646637Y2 (ja) 1990-04-28 1990-04-28 ペースト状はんだ

Publications (2)

Publication Number Publication Date
JPH046392U true JPH046392U (ja) 1992-01-21
JPH0646637Y2 JPH0646637Y2 (ja) 1994-11-30

Family

ID=31559534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990045396U Expired - Lifetime JPH0646637Y2 (ja) 1990-04-28 1990-04-28 ペースト状はんだ

Country Status (1)

Country Link
JP (1) JPH0646637Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6881278B2 (en) 1998-06-10 2005-04-19 Showa Denko K.K. Flux for solder paste

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01271094A (ja) * 1988-04-20 1989-10-30 Aiwa Co Ltd ペースト状ハンダ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01271094A (ja) * 1988-04-20 1989-10-30 Aiwa Co Ltd ペースト状ハンダ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6881278B2 (en) 1998-06-10 2005-04-19 Showa Denko K.K. Flux for solder paste

Also Published As

Publication number Publication date
JPH0646637Y2 (ja) 1994-11-30

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term