CA979967A - Method of fabricating an apertured mask for a cathode-ray tube - Google Patents

Method of fabricating an apertured mask for a cathode-ray tube

Info

Publication number
CA979967A
CA979967A CA172,856A CA172856A CA979967A CA 979967 A CA979967 A CA 979967A CA 172856 A CA172856 A CA 172856A CA 979967 A CA979967 A CA 979967A
Authority
CA
Canada
Prior art keywords
fabricating
cathode
ray tube
apertured mask
apertured
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
CA172,856A
Other versions
CA172856S (en
Inventor
Harold B. Law
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA979967A publication Critical patent/CA979967A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/02—Local etching
    • C23F1/04—Chemical milling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4981—Utilizing transitory attached element or associated separate material
    • Y10T29/49812—Temporary protective coating, impregnation, or cast layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Physical Vapour Deposition (AREA)
  • ing And Chemical Polishing (AREA)
CA172,856A 1972-06-21 1973-05-31 Method of fabricating an apertured mask for a cathode-ray tube Expired CA979967A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US264833A US3923566A (en) 1972-06-21 1972-06-21 Method of fabricating an apertured mask for a cathode-ray tube

Publications (1)

Publication Number Publication Date
CA979967A true CA979967A (en) 1975-12-16

Family

ID=23007808

Family Applications (1)

Application Number Title Priority Date Filing Date
CA172,856A Expired CA979967A (en) 1972-06-21 1973-05-31 Method of fabricating an apertured mask for a cathode-ray tube

Country Status (12)

Country Link
US (1) US3923566A (en)
JP (1) JPS4958747A (en)
AR (1) AR196135A1 (en)
BE (1) BE801147A (en)
BR (1) BR7304582D0 (en)
CA (1) CA979967A (en)
DE (1) DE2331535A1 (en)
ES (2) ES415914A1 (en)
FR (1) FR2189861B1 (en)
GB (1) GB1419010A (en)
IT (1) IT984035B (en)
NL (1) NL7308567A (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916243A (en) * 1974-09-20 1975-10-28 Buckbee Mears Co Channeled shadow mask
US4035226A (en) * 1975-04-14 1977-07-12 Rca Corporation Method of preparing portions of a semiconductor wafer surface for further processing
NL7600417A (en) * 1976-01-16 1977-07-19 Philips Nv METHOD OF MANUFACTURING A CATHODE RAY TUBE FOR DISPLAYING COLORED IMAGES.
US4160311A (en) * 1976-01-16 1979-07-10 U.S. Philips Corporation Method of manufacturing a cathode ray tube for displaying colored pictures
US4072876A (en) * 1976-10-04 1978-02-07 Rca Corporation Corrugated shadow mask assembly for a cathode ray tube
US4173729A (en) * 1977-06-24 1979-11-06 Rca Corporation Cathode-ray tube having a stepped shadow mask
US4122368A (en) * 1977-07-08 1978-10-24 Rca Corporation Cathode ray tube with a corrugated mask having a corrugated skirt
JPS5562732A (en) * 1978-11-06 1980-05-12 Chiyou Lsi Gijutsu Kenkyu Kumiai Preparation of aperture stop
US4300069A (en) * 1979-12-18 1981-11-10 Rca Corporation Color picture tube having improved slit type shadow mask and method of making same
US4443499A (en) * 1981-01-26 1984-04-17 Rca Corporation Method of making a focusing color-selection structure for a CRT
DE3273637D1 (en) * 1982-04-19 1986-11-13 Lovejoy Ind Inc Method for shaping and finishing a workpiece
US4957601A (en) * 1984-09-04 1990-09-18 Texas Instruments Incorporated Method of forming an array of apertures in an aluminum foil
US4781789A (en) * 1985-07-01 1988-11-01 Wu Jiun Tsong Method of making memory devices
US4781790A (en) * 1985-07-01 1988-11-01 Wu Jiun Tsong Method of making memory devices
US4795528A (en) * 1985-07-01 1989-01-03 Wu Jiun Tsong Method of making memory devices
US4783236A (en) * 1985-07-01 1988-11-08 Wu Jiun Tsong Method of making memory devices
US4740266A (en) * 1985-07-01 1988-04-26 Wu Jiun Tsong Method of making memory devices
US4731155A (en) * 1987-04-15 1988-03-15 General Electric Company Process for forming a lithographic mask
US5004521A (en) * 1988-11-21 1991-04-02 Yamaha Corporation Method of making a lead frame by embossing, grinding and etching
US4992138A (en) * 1989-07-31 1991-02-12 Texas Instruments Incorporated Method and apparatus for constructing a foil matrix for a solar cell
US5590854A (en) * 1994-11-02 1997-01-07 Shatz; Solomon Movable sheet for laminar flow and deicing
FR2731647B1 (en) * 1995-03-15 1997-04-30 Corning Inc METHOD FOR MANUFACTURING A MOLD CONSISTING OF A HONEYCOMB NETWORK FOR THE MANUFACTURE OF ARRAYS OF OPTICAL MICROLENTILES
US7758794B2 (en) * 2001-10-29 2010-07-20 Princeton University Method of making an article comprising nanoscale patterns with reduced edge roughness
US20040137734A1 (en) * 1995-11-15 2004-07-15 Princeton University Compositions and processes for nanoimprinting
EP0841679B1 (en) * 1996-11-11 2003-02-12 Kabushiki Kaisha Toshiba Shadow mask and method of manufacturing the same
US6083837A (en) 1996-12-13 2000-07-04 Tessera, Inc. Fabrication of components by coining
JPH11185650A (en) * 1997-12-18 1999-07-09 Toshiba Corp Color picture tube
WO2002093258A1 (en) * 2001-05-14 2002-11-21 Elmicron Ag Method for producing stamping tools

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB598994A (en) * 1945-08-29 1948-03-02 Herbert Edward Holman Improvements in or relating to the manufacture of metal screens and electron discharge devices comprising such screens
US2565623A (en) * 1949-03-30 1951-08-28 Rca Corp Method of making grid structures
US3148098A (en) * 1960-11-03 1964-09-08 Day Company Method of producing electrical components
US3666462A (en) * 1969-03-28 1972-05-30 Zenith Radio Corp Process of screening a shadow mask color tube
US3666579A (en) * 1970-06-15 1972-05-30 Zenith Radio Corp Etching electrodes
US3679500A (en) * 1970-08-07 1972-07-25 Dainippon Screen Mfg Method for forming perforations in metal sheets by etching

Also Published As

Publication number Publication date
US3923566A (en) 1975-12-02
ES415914A1 (en) 1976-02-01
JPS4958747A (en) 1974-06-07
IT984035B (en) 1974-11-20
FR2189861A1 (en) 1974-01-25
AU5678273A (en) 1974-12-12
ES200005U (en) 1975-10-01
BE801147A (en) 1973-10-15
FR2189861B1 (en) 1978-04-14
BR7304582D0 (en) 1974-08-22
AR196135A1 (en) 1973-11-30
DE2331535A1 (en) 1974-01-17
GB1419010A (en) 1975-12-24
NL7308567A (en) 1973-12-27
USB264833I5 (en) 1975-01-28
ES200005Y (en) 1976-02-01

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