JPH01179481U - - Google Patents

Info

Publication number

JPH01179481U

JPH01179481U JP7589388U JP7589388U JPH01179481U JP H01179481 U JPH01179481 U JP H01179481U JP 7589388 U JP7589388 U JP 7589388U JP 7589388 U JP7589388 U JP 7589388U JP H01179481 U JPH01179481 U JP H01179481U

Authority

JP

Japan

Prior art keywords

solder

hole

wiring board

recessed portion

printed wiring

Prior art date

1988-06-07

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
• 238000007747 plating Methods 0.000 claims description 4
• 229910000679 solder Inorganic materials 0.000 claims description 4
• 230000002265 prevention Effects 0.000 claims description 3
• PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
• 239000010931 gold Substances 0.000 claims description 2
• 229910052737 gold Inorganic materials 0.000 claims description 2
• 230000000873 masking effect Effects 0.000 claims description 2
• 229910052759 nickel Inorganic materials 0.000 claims description 2
• 238000000034 method Methods 0.000 description 2
• 239000000758 substrate Substances 0.000 description 1