Jul 23, 2007 14:18
16 yrs ago
Japanese term
Indonesia
Accurate, easy to understand
Native in: Indonesian 
Works in: Japanese to Indonesian, English to Indonesian, Indonesian to Japanese, and 2 more.
はんだはじき不良
Japanese to English
Tech/Engineering
Electronics / Elect Eng
Soldering
よろしくお願いします。
Proposed translations
(English)
| 4 +1 | dewetting defect |
Steven Smith
|
| 2 +1 | black pad |
CalumR
|
Proposed translations
+1
14 mins
Selected
dewetting defect
www.cirlution.com/uniwiki/index.cgi?はんだはじき
dewetting:
A condition which occurs when molten solder has coated a surface and then recedes, leaving irregularly shaped globules of solder separated by areas covered with a thin solder film; base metal is not exposed.
www.pcbuk.com/pcb-d.asp
dewetting:
A condition which occurs when molten solder has coated a surface and then recedes, leaving irregularly shaped globules of solder separated by areas covered with a thin solder film; base metal is not exposed.
www.pcbuk.com/pcb-d.asp
4 KudoZ points awarded for this answer.
Comment: "Thank you."
+1
11 mins
black pad
This seems to be what you are looking for, but I don't know anything about this field, so be careful!
Example sentence:
"Black Pad" is a defect of ENIG boards that is a separation of solder joints formed to the surface of the electroless nickel underplate.
はんだ弾き（ブラックパッド）
Discussion
http://w.jisw.com/01430/post_416.html
ディウェッッティングとは、溶接技術の分野において術語として用いられる溶接用語で、ろう接のろう接現象に定義される用語の一つです。
ディウェッッティングは、ろう接（ろう又ははんだを用いて、母材をできるだけ溶融しないでぬれ現象で接合する、ろう付及びはんだ付の総称）に関連する現象の一種で、溶加材である溶融ろう（ロウ）やはんだ（ハンダ）が一旦母材表面に広がった後に、収縮してはじかれた状態のことをいいます。
成無電解NiめっきとAuフラッシュの組み合わせでパッドが黒色化しはんだ弾きを生じることがある。
（ブラックパッド）
この現象はＰｂはんだでもみられたが、Ｐｂフリーはんだで特に起こりやすい。
http://www.geocities.jp/stkyjheiwa/basic05.html