JPS63134574U - - Google Patents

Info

Publication number

JPS63134574U

JPS63134574U JP2650987U JP2650987U JPS63134574U JP S63134574 U JPS63134574 U JP S63134574U JP 2650987 U JP2650987 U JP 2650987U JP 2650987 U JP2650987 U JP 2650987U JP S63134574 U JPS63134574 U JP S63134574U

Authority

JP

Japan

Prior art keywords

copper foil

hole

wiring board

printed wiring

foil hole

Prior art date

1987-02-24

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

• RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
• 239000011889 copper foil Substances 0.000 claims description 5
• 230000035515 penetration Effects 0.000 description 1