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GB252413A - Improvements in and relating to photo-mechanical printing processes - Google Patents

Improvements in and relating to photo-mechanical printing processes

Info

Publication number
GB252413A
GB252413A GB13267/26A GB1326726A GB252413A GB 252413 A GB252413 A GB 252413A GB 13267/26 A GB13267/26 A GB 13267/26A GB 1326726 A GB1326726 A GB 1326726A GB 252413 A GB252413 A GB 252413A
Authority
GB
United Kingdom
Prior art keywords
layer
exposed
negative
colloid
printing
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.)
Expired
Application number
GB13267/26A
Other languages
English (en)
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.)
MARIANO DE SPERATI
Original Assignee
MARIANO DE SPERATI
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 MARIANO DE SPERATI filed Critical MARIANO DE SPERATI
Publication of GB252413A publication Critical patent/GB252413A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/20—Exposure; Apparatus therefor
    • G03F7/2022—Multi-step exposure, e.g. hybrid; backside exposure; blanket exposure, e.g. for image reversal; edge exposure, e.g. for edge bead removal; corrective exposure
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/04—Chromates

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
GB13267/26A 1925-05-23 1926-05-25 Improvements in and relating to photo-mechanical printing processes Expired GB252413A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT252413X 1925-05-23

Publications (1)

Publication Number Publication Date
GB252413A true GB252413A (en) 1927-08-11

Family

ID=11216098

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13267/26A Expired GB252413A (en) 1925-05-23 1926-05-25 Improvements in and relating to photo-mechanical printing processes

Country Status (2)

Country Link
FR (1) FR616474A (fr)
GB (1) GB252413A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789951A (fr) * 1971-10-14 1973-04-11 Hoechst Co American Procede pour produire des images au moyen d'une couche photosensible

Also Published As

Publication number Publication date
FR616474A (fr) 1927-02-02

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