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JPS5412884A - Detecting method of pin holes in insulating film - Google Patents

Detecting method of pin holes in insulating film

Info

Publication number
JPS5412884A
JPS5412884A JP7855177A JP7855177A JPS5412884A JP S5412884 A JPS5412884 A JP S5412884A JP 7855177 A JP7855177 A JP 7855177A JP 7855177 A JP7855177 A JP 7855177A JP S5412884 A JPS5412884 A JP S5412884A
Authority
JP
Japan
Prior art keywords
insulating film
pin holes
detecting method
plate
condcutive
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.)
Pending
Application number
JP7855177A
Other languages
Japanese (ja)
Inventor
Takao Sato
Genji Morizaki
Masanori Kogo
Hideyo Murata
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7855177A priority Critical patent/JPS5412884A/en
Publication of JPS5412884A publication Critical patent/JPS5412884A/en
Pending legal-status Critical Current

Links

Landscapes

  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)

Abstract

PURPOSE: To detect pin holes in an insulating film and know the hole size by applying a high tension between anauxiliary electrode anc a condcutive plate with a recording chart and auxiliary electrode placed on insulating film of conductive plate.
COPYRIGHT: (C)1979,JPO&Japio
JP7855177A 1977-06-30 1977-06-30 Detecting method of pin holes in insulating film Pending JPS5412884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7855177A JPS5412884A (en) 1977-06-30 1977-06-30 Detecting method of pin holes in insulating film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7855177A JPS5412884A (en) 1977-06-30 1977-06-30 Detecting method of pin holes in insulating film

Publications (1)

Publication Number Publication Date
JPS5412884A true JPS5412884A (en) 1979-01-30

Family

ID=13665043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7855177A Pending JPS5412884A (en) 1977-06-30 1977-06-30 Detecting method of pin holes in insulating film

Country Status (1)

Country Link
JP (1) JPS5412884A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61143561A (en) * 1984-12-14 1986-07-01 Daido Steel Co Ltd Austenitic stainess steel
JPS6462443A (en) * 1987-09-02 1989-03-08 Nisshin Steel Co Ltd Austenitic stainless steel excellent in corrosion resistance in warm water

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61143561A (en) * 1984-12-14 1986-07-01 Daido Steel Co Ltd Austenitic stainess steel
JPS6462443A (en) * 1987-09-02 1989-03-08 Nisshin Steel Co Ltd Austenitic stainless steel excellent in corrosion resistance in warm water

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