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US5225677A Expired / Lapsed US ⏱️ 0.0 years remaining

Protective film for x-ray detector

Assignee: Philips North America LLC
•
Filing: 1992-06-12
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Granted: 1993-07-06
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Expires: 2012-06-12
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Abstract

Abstract An x-ray detector assembly is improved by covering the detector holder with a dielectric film to prevent contamination of the sides of the detector without covering the front of the detector. The film does not hermetically seal the detector holder.

Inventors

  • 👤 Lun-Shu R. Yeh
  • 👤 Joseph A. Nicolosi
  • 👤 Costas Blionas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 09:10
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/24; G01T1/244

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 39 words
An x-ray detector assembly comprising a solid state x-ray detector having a front surface for receiving x-rays and at least one side surface; and a dielectric film disposed around said side surface, said film not covering said front surface.
Claim 2
Dependent Claim 39 words
An x-ray detector assembly comprising a solid state x-ray detector having a front surface for receiving x-rays and at least one side surface; and a dielectric film disposed around said side surface, said film not covering said front surface.
Claim 3
Dependent Claim 25 words
The assembly of claim 1, wherein the film comprises one of the following materials: polytetrafluoroethylene, a fluorocarbon, a chlorofluorcarbon, a polyester, polyethylene, polypropylene, and nylon.
Claim 4
Dependent Claim 36 words
The assembly of claim 1 further comprising a detector holder containing said detector and forming an opening through which said detector is inserted during manufacturing and wherein said film covers at least part of said opening.
Claim 5
Dependent Claim 25 words
The assembly of claim 3 wherein the film comprises one of the following materials: polytetrafluoroethylene, a fluorocarbon, a chlorofluorcarbon, a polyester, polyethylene, polypropylene, and nylon.
Claim 6
Dependent Claim 48 words
The assembly of claim 4 wherein the film comprises polytetrafluoroethylene tape wrapped about an exterior surface of said holder starting at a first end of said holder adjacent to said front surface and ending at an ending point on the exterior surface not adjacent to said front surface.
Claim 7
Dependent Claim 23 words
The assembly of claim 5 wherein said film further comprises a polyester tape wrapped about the ending point to secure the polytetrafluoroethylene tape.
Claim 8
Dependent Claim 20 words
The assembly of claim 6 wherein said film further comprises a tape with an adhesive surface securing the polyester tape.
Claim 9
Dependent Claim 16 words
The assembly of claim 3 wherein the film completely covers the opening without hermetically sealing it.
Claim 10
Dependent Claim 11 words
A cryogenically cooled x-ray detector comprising the assembly of claim 1.

References Cited (Backward Citations)

US3586857A Cited
US3727058A Cited
US4801803A Cited
US4931650A Cited
US5132539A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-07-05 1997-01-04 1997-07-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-07-05 2001-01-04 2001-07-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-07-05 2005-01-04 2005-07-06 $7700.00 Window Closed / Lapsed

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