US4229499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acid phthalate crystal
Assignee: Philips North America LLC
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Filing: 1978-06-23
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Granted: 1980-10-21
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Expires: 1998-06-23
Abstract
Abstract An X-ray analyzing crystal exhibiting good deterioration resistant qualities, comprising an acid phthalate crystal and a relatively inert layer disposed at a surface of said layer, which surface is intended for impingement by X-rays.
Inventors
- 👤 Ronald Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:59
CPC Classifications
G; G21; G21K; G21K1/00; G21K1/06; G21K2201/00; G21K2201/06; G21K2201/062; G21K2201/067; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
68 words
An X-ray analyzing crystal exhibiting good deterioration resistant qualities, comprising: (a) an acid phthalate crystal having a first surface and (b) a layer disposed at at least said first surface and having a thickness not exceeding about 2,000 A, said layer consisting essentially of a material selected from the group consisting of a metal and metalloid, said metal and metalloid being substantially chemically inert to the ambient atmosphere.
Claim 2
Dependent Claim
68 words
An X-ray analyzing crystal exhibiting good deterioration resistant qualities, comprising: (a) an acid phthalate crystal having a first surface and (b) a layer disposed at at least said first surface and having a thickness not exceeding about 2,000 A, said layer consisting essentially of a material selected from the group consisting of a metal and metalloid, said metal and metalloid being substantially chemically inert to the ambient atmosphere.
Claim 3
Dependent Claim
18 words
An X-ray analyzing crystal as in claim 1, wherein said layer has a thickness exceeding about 300 A.
Claim 4
Dependent Claim
18 words
An X-ray analyzing crystal as in claim 1, wherein said layer has a thickness of about 600 A.
Claim 5
Dependent Claim
51 words
An X-ray analyzing crystal as in claim 1, wherein said layer comprises at least two sub-layers, a first said sub-layer being disposed on said first surface and a second said sub-layer being disposed over said first sub-layer, said first and second both consisting essentially of a material selected from said group.
Claim 6
Dependent Claim
33 words
An X-ray analyzing crystal as in claim 1, wherein said acid phthalate is selected from the group consisting essentially of rubidium acid phthalate, potassium acid phthalate, thallium acid phthalate, and ammonium acid phthallate.
Claim 7
Dependent Claim
64 words
An X-ray analyzing crystal exhibiting good deterioration resistant qualities, comprising: (a) an acid phthalate crystal having a first surface and (b) a layer disposed at at least said first surface and having a thickness not exceeding about 2,000 A, said layer consisting essentially of a material selected from the group consisting of aluminum, gold, and carbon being substantially chemically inert to the ambient atmosphere.
Claim 8
Dependent Claim
64 words
An X-ray analyzing crystal exhibiting good deterioration resistant qualities, comprising: (a) an acid phthalate crystal having a first surface and (b) a layer disposed at at least said first surface and having a thickness not exceeding about 2,000 A, said layer consisting essentially of a material selected from the group consisting of aluminum, gold, and carbon being substantially chemically inert to the ambient atmosphere.
Claim 9
Dependent Claim
18 words
An X-ray analyzing crystal as in claim 6, wherein said layer has a thickness exceeding about 300 A.
Claim 10
Dependent Claim
18 words
An X-ray analyzing crystal as in claim 6, wherein said layer has a thickness of about 600 A.
Claim 11
Dependent Claim
72 words
An X-ray analyzing crystal exhibiting good deterioration resistant qualities, comprising: (a) an acid phthalate crystal having a first surface and (b) a layer disposed at at least said first surface and having a thickness not exceeding about 2,000 A, said layer consisting essentially of a material selected from the group consisting of mixtures and alloys of at least two of aluminum, gold and carbon being substantially chemically inert to the ambient atmosphere.
Claim 12
Dependent Claim
72 words
An X-ray analyzing crystal exhibiting good deterioration resistant qualities, comprising: (a) an acid phthalate crystal having a first surface and (b) a layer disposed at at least said first surface and having a thickness not exceeding about 2,000 A, said layer consisting essentially of a material selected from the group consisting of mixtures and alloys of at least two of aluminum, gold and carbon being substantially chemically inert to the ambient atmosphere.
Claim 13
Dependent Claim
18 words
An X-ray analyzing crystal as in claim 9, wherein said layer has a thickness exceeding about 300 A.
Claim 14
Dependent Claim
18 words
An X-ray analyzing crystal as in claim 9, wherein said layer has a thickness of about 600 A.
Claim 15
Dependent Claim
72 words
An X-ray analyzing crystal exhibiting good deterioration resistant qualities, comprising: (a) an acid phthalate crystal having a first surface and (b) a layer disposed at at least said first surface and having a thickness not exceeding about 2,000 A, said layer consisting essentially of a material selected from the group consisting of alloys and mixtures containing at least one of aluminum, gold and carbon being substantially chemically inert to the ambient atmosphere.
Claim 16
Dependent Claim
72 words
An X-ray analyzing crystal exhibiting good deterioration resistant qualities, comprising: (a) an acid phthalate crystal having a first surface and (b) a layer disposed at at least said first surface and having a thickness not exceeding about 2,000 A, said layer consisting essentially of a material selected from the group consisting of alloys and mixtures containing at least one of aluminum, gold and carbon being substantially chemically inert to the ambient atmosphere.
Claim 17
Dependent Claim
18 words
An X-ray analyzing crystal as in claim 12, wherein said layer has a thickness exceeding about 300 A.
Claim 18
Dependent Claim
18 words
An X-ray analyzing crystal as in claim 12, wherein said layer has a thickness of about 600 A.
Claim 19
Dependent Claim
115 words
An X-ray analyzing crystal exhibiting good deterioration resistant qualities, comprising: (a) an acid phthalate crystal having a first surface and (b) a layer disposed at at least said first surface and having a thickness not exceeding about 2,000 A, said layer comprising at least two sub-layers, a first sub-layer being disposed on said first surface and a second sub-layer being disposed over said first sub-layer, said second sub-layer consisting essentially of a material selected from the group consisting of a metal and metalloid, said metal and metalloid being substantially chemically inert to the ambient atmosphere, and said first sub-layer consisting essentially of a plastic material providing adherence between said first surface and said second sub-layer.
Claim 20
Dependent Claim
115 words
An X-ray analyzing crystal exhibiting good deterioration resistant qualities, comprising: (a) an acid phthalate crystal having a first surface and (b) a layer disposed at at least said first surface and having a thickness not exceeding about 2,000 A, said layer comprising at least two sub-layers, a first sub-layer being disposed on said first surface and a second sub-layer being disposed over said first sub-layer, said second sub-layer consisting essentially of a material selected from the group consisting of a metal and metalloid, said metal and metalloid being substantially chemically inert to the ambient atmosphere, and said first sub-layer consisting essentially of a plastic material providing adherence between said first surface and said second sub-layer.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-10-21 | 1984-04-21 | 1984-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-21 | 1988-04-21 | 1988-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-21 | 1992-04-21 | 1992-10-21 | $7700.00 | Window Closed / Lapsed |