Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
  • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
  • H03J1/02—Indicating arrangements
  • H03J1/04—Indicating arrangements with optical indicating means
  • H03J1/042—Means insuring a precise reading of the dial, e.g. special scale, local illumination possibly temporary, luminous point moving with the pointer
• • 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
  • G03F7/016—Diazonium salts or compounds

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Illuminated Signs And Luminous Advertising (AREA)
• Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
• Photosensitive Polymer And Photoresist Processing (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=25984722

Family Applications (1)

Country Status (3)

Families Citing this family (1)

• 1931
  • 1931-03-05 DE DEK119293D patent/DE559795C/de not_active Expired
• 1932
  • 1932-03-03 FR FR732591D patent/FR732591A/fr not_active Expired
  • 1932-05-04 GB GB12900/32A patent/GB402797A/en not_active Expired

Also Published As

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