NL225221A - - Google Patents

Info

Publication number
NL225221A
NL225221A NL225221DA NL225221A NL 225221 A NL225221 A NL 225221A NL 225221D A NL225221D A NL 225221DA NL 225221 A NL225221 A NL 225221A
Authority
NL
Netherlands
Application number
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.)
Publication of NL225221A publication Critical patent/NL225221A/xx
Priority claimed from US642074A external-priority patent/US2886730A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52—Ring-and-traveller arrangements
    • D01H7/60—Rings or travellers; Manufacture thereof not otherwise provided for ; Cleaning means for rings
    • D01H7/604—Travellers
    • 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
    • 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
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/34—Luminescent screens provided with permanent marks or references
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2209/00—Apparatus and processes for manufacture of discharge tubes
    • H01J2209/38—Control of maintenance of pressure in the vessel
    • H01J2209/385—Gettering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/0777—Coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Physical Vapour Deposition (AREA)
NL225221D 1957-02-25 NL225221A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US642074A US2886730A (en) 1957-02-25 1957-02-25 Aperture mask coating to prevent cathode poisoning
US779896A US2942130A (en) 1957-02-25 1958-12-12 Aperture mask coating to prevent cathode poisoning

Publications (1)

Publication Number Publication Date
NL225221A true NL225221A (en)

Family

ID=27093927

Family Applications (1)

Application Number Title Priority Date Filing Date
NL225221D NL225221A (en) 1957-02-25

Country Status (7)

Country Link
US (1) US2942130A (en)
BE (1) BE565081A (en)
CH (1) CH347226A (en)
DE (1) DE1130937B (en)
FR (1) FR1200215A (en)
GB (1) GB837657A (en)
NL (1) NL225221A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350594A (en) * 1963-08-02 1967-10-31 Emi Ltd Image intensifier having continuous conducting layer between porous metallic coating and luminescent layer
US3707640A (en) * 1970-06-18 1972-12-26 Zenith Radio Corp Shadow mask having double-sized apertures
GB1405899A (en) * 1971-09-08 1975-09-10 Hitachi Ltd Method of forming secondary electron emission preventing layer for post-deflection acceleration type colour picture tube
DE2165703A1 (en) * 1971-12-30 1973-07-12 Hitachi Ltd PUNCHED MASKS FOR COLOR TUBES
SE425289C (en) * 1978-08-31 1985-09-09 Wexioedisk Ab SET TO SAVE ENERGY AND COOLING FROM THE DISHWASHER WITH A BAND DISHWASHER AND DEVICE FOR IMPLEMENTING THE SET
DE3125075C2 (en) * 1980-07-16 1987-01-15 N.V. Philips' Gloeilampenfabrieken, Eindhoven Color picture tube
JPS6072143A (en) * 1983-09-28 1985-04-24 Toshiba Corp Color picture tube
US4621214A (en) * 1984-04-19 1986-11-04 Rca Corporation Color selection means having a charged insulator portion for a cathode-ray tube
US7018326B2 (en) * 2000-08-31 2006-03-28 Varco I/P, Inc. Centrifuge with impellers and beach feed

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2227087A (en) * 1937-06-30 1940-12-31 Siemens Ag Cathode ray tube
US2777084A (en) * 1952-04-12 1957-01-08 Gen Electric Plastic electrode structure for electron tubes
NL189142B (en) * 1954-07-12 Kansai Paint Co Ltd METHOD OF PREVENTING THE ADHESION OF ORGANISMS.
FR1115674A (en) * 1954-12-02 1956-04-27 Csf Refinement of grid post-acceleration devices

Also Published As

Publication number Publication date
CH347226A (en) 1960-06-30
FR1200215A (en) 1959-12-18
BE565081A (en)
US2942130A (en) 1960-06-21
GB837657A (en) 1960-06-15
DE1130937B (en) 1962-06-07

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