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US3307983A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of manufacturing a photosensitive device

Assignee: US Philips Corp
•
Filing: 1964-03-10
•
Granted: 1967-03-07
•
Expires: 1984-03-10
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Abstract

No abstract record available.

Inventors

  • 👤 Haan Edward Fokko De
  • 👤 Schampers Paulus Philipp Maria

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:21
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/06; C23C14/08; C23C14/085; C23C14/58; C23C14/5826; C23C14/5833; C23C14/5846; C23C14/5853; H; H01; H01B; H01B1/00; H01B1/06; H01B1/08; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/45; H01J29/451; H01J29/456; H01J9/00; H01J9/20; H01J9/233; H10; H10F; H10F99/00; H10P; H10P95/00; Y; Y10; Y10S; Y10S252/00; Y10S252/95; Y10S252/951

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 69 words
A METHOD OF MANUFACTURING A PHOTOSENSITIVE DEVICE COMPRISING THE STEPS, APPLYING TO PROTIONS OF A SUPPORT A LAYER CONSISTING ESSENTIALLY OF LEAD MONOXIDE, BIASING SELECTED AREAS OF SAID LAYER OF LEAD MONOXIDE NEGATIVELY TO EFFECT AN ELECTRICAL DISCHARGE THROUGH AN ATMOSPHERE CONTAINING OXYGEN AT A PRESSURE OF ABOUT 4000 TO 600X10-**5MM. HG TO FORM OXYGEN IONS WHICH BOMBARD SAID AREAS AND INTRODUCE OXYGEN INTO THE LAYER AT SAID AREAS.
Claim 2
Independent Claim 69 words
A METHOD OF MANUFACTURING A PHOTOSENSITIVE DEVICE COMPRISING THE STEPS, APPLYING TO PROTIONS OF A SUPPORT A LAYER CONSISTING ESSENTIALLY OF LEAD MONOXIDE, BIASING SELECTED AREAS OF SAID LAYER OF LEAD MONOXIDE NEGATIVELY TO EFFECT AN ELECTRICAL DISCHARGE THROUGH AN ATMOSPHERE CONTAINING OXYGEN AT A PRESSURE OF ABOUT 4000 TO 600X10-**5MM. HG TO FORM OXYGEN IONS WHICH BOMBARD SAID AREAS AND INTRODUCE OXYGEN INTO THE LAYER AT SAID AREAS.
Claim 3
Independent Claim 97 words
A METHOD OF MANUFACTURING A PHOTOSENSITIVE DEVICE COMPRISING THE STEPS, APPLYING TO PORTIONS OF A SUPPORT A LAYER CONSISTING ESSENTIALLY OF LEAD MONOXIDE BIASING SELECTED AREA NEGATIVELY, TO EFFECT AN ELECTRICAL DISCHARGE THROUGH AN ATMOSPHERE CONTAINING OXYGEN AT A PRESSURE OF ABOUT 4000 TO 6000X10-**5MM. HG WHEREBY OXYGEN IS INTRODUCED INTO SAID LAYER AT SAID SELECTED AREAS, SUBJECTING THE LAYER TO THE ACTION OF AN ATOMOSPHERE SELECTED FROM THE GROUP CONSISTING OF SULPHURATED HYDROGEN, SELENIATED HYDROGEN, TELLURATED HYDROGEN, WATER VAPOR, AND MIXTURES THEREOF, AND REPEATING SAID STEP OF EFFECTING AN ELECTRICAL DISCHARGE IN AN ATMOSPHERE CONTAINING OXYGEN.
Claim 4
Independent Claim 97 words
A METHOD OF MANUFACTURING A PHOTOSENSITIVE DEVICE COMPRISING THE STEPS, APPLYING TO PORTIONS OF A SUPPORT A LAYER CONSISTING ESSENTIALLY OF LEAD MONOXIDE BIASING SELECTED AREA NEGATIVELY, TO EFFECT AN ELECTRICAL DISCHARGE THROUGH AN ATMOSPHERE CONTAINING OXYGEN AT A PRESSURE OF ABOUT 4000 TO 6000X10-**5MM. HG WHEREBY OXYGEN IS INTRODUCED INTO SAID LAYER AT SAID SELECTED AREAS, SUBJECTING THE LAYER TO THE ACTION OF AN ATOMOSPHERE SELECTED FROM THE GROUP CONSISTING OF SULPHURATED HYDROGEN, SELENIATED HYDROGEN, TELLURATED HYDROGEN, WATER VAPOR, AND MIXTURES THEREOF, AND REPEATING SAID STEP OF EFFECTING AN ELECTRICAL DISCHARGE IN AN ATMOSPHERE CONTAINING OXYGEN.

References Cited (Backward Citations)

US3035205A Cited
US3174882A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-03-06 1970-09-05 1971-03-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-03-06 1974-09-05 1975-03-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-03-06 1978-09-05 1979-03-07 $7700.00 Window Closed / Lapsed

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