JPS6240880B2 - - Google Patents

Info

Publication number
JPS6240880B2
JPS6240880B2 JP53143847A JP14384778A JPS6240880B2 JP S6240880 B2 JPS6240880 B2 JP S6240880B2 JP 53143847 A JP53143847 A JP 53143847A JP 14384778 A JP14384778 A JP 14384778A JP S6240880 B2 JPS6240880 B2 JP S6240880B2
Authority
JP
Japan
Prior art keywords
water
pwb
copper
minutes
solderability
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.)
Expired
Application number
JP53143847A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5570088A (en
Inventor
Yukya Masuda
Shuji Wakamatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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 by Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Priority to JP14384778A priority Critical patent/JPS5570088A/ja
Publication of JPS5570088A publication Critical patent/JPS5570088A/ja
Publication of JPS6240880B2 publication Critical patent/JPS6240880B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Structure Of Printed Boards (AREA)
  • Manufacturing Of Printed Wiring (AREA)
JP14384778A 1978-11-21 1978-11-21 Method of preserving printed circuit board Granted JPS5570088A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14384778A JPS5570088A (en) 1978-11-21 1978-11-21 Method of preserving printed circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14384778A JPS5570088A (en) 1978-11-21 1978-11-21 Method of preserving printed circuit board

Publications (2)

Publication Number Publication Date
JPS5570088A JPS5570088A (en) 1980-05-27
JPS6240880B2 true JPS6240880B2 (US06811534-20041102-M00003.png) 1987-08-31

Family

ID=15348330

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14384778A Granted JPS5570088A (en) 1978-11-21 1978-11-21 Method of preserving printed circuit board

Country Status (1)

Country Link
JP (1) JPS5570088A (US06811534-20041102-M00003.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0245269U (US06811534-20041102-M00003.png) * 1988-09-20 1990-03-28

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153788A (en) * 1980-04-28 1981-11-27 Mitsubishi Gas Chemical Co Method of preserving printed circuit board
US6778729B1 (en) 2000-04-17 2004-08-17 The Boeing Company Device and method for optical signal switching

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0245269U (US06811534-20041102-M00003.png) * 1988-09-20 1990-03-28

Also Published As

Publication number Publication date
JPS5570088A (en) 1980-05-27

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