JPS647771A - Photolithographic equipment - Google Patents

Photolithographic equipment

Info

Publication number
JPS647771A
JPS647771A JP62165231A JP16523187A JPS647771A JP S647771 A JPS647771 A JP S647771A JP 62165231 A JP62165231 A JP 62165231A JP 16523187 A JP16523187 A JP 16523187A JP S647771 A JPS647771 A JP S647771A
Authority
JP
Japan
Prior art keywords
dot
sample dot
original
sample
density value
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.)
Granted
Application number
JP62165231A
Other languages
English (en)
Other versions
JPH0564909B2 (ja
Inventor
Takashi Numakura
Iwao Numakura
Susumu Kitazawa
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.)
Yamatoya and Co Ltd
Original Assignee
Yamatoya and 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 Yamatoya and Co Ltd filed Critical Yamatoya and Co Ltd
Priority to JP62165231A priority Critical patent/JPS647771A/ja
Priority to DE8888302097T priority patent/DE3878282T2/de
Priority to EP88302097A priority patent/EP0286241B1/en
Priority to US07/167,090 priority patent/US4833546A/en
Publication of JPS647771A publication Critical patent/JPS647771A/ja
Publication of JPH0564909B2 publication Critical patent/JPH0564909B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP62165231A 1987-03-11 1987-07-03 Photolithographic equipment Granted JPS647771A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP62165231A JPS647771A (en) 1987-03-20 1987-07-03 Photolithographic equipment
DE8888302097T DE3878282T2 (de) 1987-03-11 1988-03-10 Fotomechanischer apparat unter verwendung von fotoelektrischer abtastung.
EP88302097A EP0286241B1 (en) 1987-03-11 1988-03-10 Photomechanical apparatus using photoelectric scanning
US07/167,090 US4833546A (en) 1987-03-11 1988-03-11 Photomechanical apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6733087 1987-03-20
JP62165231A JPS647771A (en) 1987-03-20 1987-07-03 Photolithographic equipment

Publications (2)

Publication Number Publication Date
JPS647771A true JPS647771A (en) 1989-01-11
JPH0564909B2 JPH0564909B2 (ja) 1993-09-16

Family

ID=13341899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62165231A Granted JPS647771A (en) 1987-03-11 1987-07-03 Photolithographic equipment

Country Status (1)

Country Link
JP (1) JPS647771A (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5418303A (en) * 1977-07-07 1979-02-10 Xerox Corp Method of reproducing halfftone and its device
JPS57155542A (en) * 1981-03-23 1982-09-25 Dainippon Printing Co Ltd Formation of halftone dot for printing
JPS59161979A (ja) * 1983-03-06 1984-09-12 Canon Inc 画像処理装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5418303A (en) * 1977-07-07 1979-02-10 Xerox Corp Method of reproducing halfftone and its device
JPS57155542A (en) * 1981-03-23 1982-09-25 Dainippon Printing Co Ltd Formation of halftone dot for printing
JPS59161979A (ja) * 1983-03-06 1984-09-12 Canon Inc 画像処理装置

Also Published As

Publication number Publication date
JPH0564909B2 (ja) 1993-09-16

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