JPS5248975A - Process for production of fine opening - Google Patents

Process for production of fine opening

Info

Publication number
JPS5248975A
JPS5248975A JP12493175A JP12493175A JPS5248975A JP S5248975 A JPS5248975 A JP S5248975A JP 12493175 A JP12493175 A JP 12493175A JP 12493175 A JP12493175 A JP 12493175A JP S5248975 A JPS5248975 A JP S5248975A
Authority
JP
Japan
Prior art keywords
production
fine opening
opening
fine
easily form
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
JP12493175A
Other languages
Japanese (ja)
Inventor
Masanori Matsuo
Shigeru Santo
Seiichi Ueno
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 JP12493175A priority Critical patent/JPS5248975A/en
Publication of JPS5248975A publication Critical patent/JPS5248975A/en
Pending legal-status Critical Current

Links

Landscapes

  • Weting (AREA)

Abstract

PURPOSE: To easily form an extremely fine opening.
COPYRIGHT: (C)1977,JPO&Japio
JP12493175A 1975-10-17 1975-10-17 Process for production of fine opening Pending JPS5248975A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12493175A JPS5248975A (en) 1975-10-17 1975-10-17 Process for production of fine opening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12493175A JPS5248975A (en) 1975-10-17 1975-10-17 Process for production of fine opening

Publications (1)

Publication Number Publication Date
JPS5248975A true JPS5248975A (en) 1977-04-19

Family

ID=14897701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12493175A Pending JPS5248975A (en) 1975-10-17 1975-10-17 Process for production of fine opening

Country Status (1)

Country Link
JP (1) JPS5248975A (en)

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