JPS57109330A - Mask aliner - Google Patents

Mask aliner

Info

Publication number
JPS57109330A
JPS57109330A JP55183902A JP18390280A JPS57109330A JP S57109330 A JPS57109330 A JP S57109330A JP 55183902 A JP55183902 A JP 55183902A JP 18390280 A JP18390280 A JP 18390280A JP S57109330 A JPS57109330 A JP S57109330A
Authority
JP
Japan
Prior art keywords
chuck
air
chamber
mask
gas
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
JP55183902A
Other languages
English (en)
Inventor
Susumu Komoriya
Hiroshi Maejima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP55183902A priority Critical patent/JPS57109330A/ja
Publication of JPS57109330A publication Critical patent/JPS57109330A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
    • H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
JP55183902A 1980-12-26 1980-12-26 Mask aliner Pending JPS57109330A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55183902A JPS57109330A (en) 1980-12-26 1980-12-26 Mask aliner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55183902A JPS57109330A (en) 1980-12-26 1980-12-26 Mask aliner

Publications (1)

Publication Number Publication Date
JPS57109330A true JPS57109330A (en) 1982-07-07

Family

ID=16143805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55183902A Pending JPS57109330A (en) 1980-12-26 1980-12-26 Mask aliner

Country Status (1)

Country Link
JP (1) JPS57109330A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61252633A (ja) * 1985-05-02 1986-11-10 Hitachi Electronics Eng Co Ltd ウエハとマスクとの密着装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52131474A (en) * 1976-04-28 1977-11-04 Hitachi Ltd Wafer chuck for mask aligner
JPS5359371A (en) * 1976-11-10 1978-05-29 Hitachi Ltd Mask alignment unit
JPS5458365A (en) * 1977-10-19 1979-05-11 Hitachi Ltd Mask aligner
JPS5468171A (en) * 1977-11-11 1979-06-01 Toshiba Corp Exposure unit for semiconductor wafer
JPS5480086A (en) * 1977-12-09 1979-06-26 Hitachi Ltd Mask aligner
JPS5537298B2 (ja) * 1975-01-20 1980-09-26

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5537298B2 (ja) * 1975-01-20 1980-09-26
JPS52131474A (en) * 1976-04-28 1977-11-04 Hitachi Ltd Wafer chuck for mask aligner
JPS5359371A (en) * 1976-11-10 1978-05-29 Hitachi Ltd Mask alignment unit
JPS5458365A (en) * 1977-10-19 1979-05-11 Hitachi Ltd Mask aligner
JPS5468171A (en) * 1977-11-11 1979-06-01 Toshiba Corp Exposure unit for semiconductor wafer
JPS5480086A (en) * 1977-12-09 1979-06-26 Hitachi Ltd Mask aligner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61252633A (ja) * 1985-05-02 1986-11-10 Hitachi Electronics Eng Co Ltd ウエハとマスクとの密着装置

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