US Patent No: 7,462,852
Number of patents in Portfolio can not be more than 2000
Devices, methods, and systems involving cast collimators
Stats
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Dec 9, 2008
Issued date -
Oct 29, 2002
filing date -
10/282,402
serial no -
In Force
status
Importance
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Abstract
Certain exemplary embodiments of the present invention comprise a cast collimator descended from a stack lamination mold, said mold comprising a plurality of metallic foils. Certain embodiments of the present invention comprise a method comprising filling a mold having a stacked plurality of micro-machined metallic foil layers with a first casting material to form a first cast product; demolding the first cast product from the mold; filling the first cast product with a second casting material to form a cast collimator; and demolding the cast collimator from the first cast product. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. This abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,606,589 Air cross grids for mammography and methods for their manufacture and use | 37 | 1995 | |
| 5,814,235 Air cross grids for mammography and methods for their manufacture and use | 24 | 1996 | |
| 5,729,585 Air cross grids for mammography and methods for their manufacture and use | 15 | 1996 | |
| 6,075,840 Air cross grids for X-ray imaging | 21 | 1998 | |
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| 5,949,850 Method and apparatus for making large area two-dimensional grids | 31 | 1997 | |
| 6,252,938 Two-dimensional, anti-scatter grid and collimator designs, and its motion, fabrication and assembly | 21 | 1999 | |
| 6,987,836 Anti-scatter grids and collimator designs, and their motion, fabrication and assembly | 9 | 2002 | |
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| 5,581,592 Anti-scatter X-ray grid device for medical diagnostic radiography | 27 | 1995 | |
| 6,245,184 Method of fabricating scintillators for computed tomograph system | 19 | 1997 | |
| 6,175,615 Radiation imager collimator | 23 | 1999 | |
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| 4,273,178 Vibrator casting system with feedback | 5 | 1979 | |
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| 5,925,308 Rapid-setting formable mixtures and method of making and using same | 13 | 1997 | |
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| 6,007,765 Method of producing molded articles | 6 | 1997 | |
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| 6,004,500 Methods for producing novel ceramic composites | 15 | 1998 | |
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| 6,615,899 Method of casting a metal article having a thinwall | 16 | 2002 | |
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| 2003/0128,813 Devices, methods, and systems involving cast computed tomography collimators | 18 | 2002 | |
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| 4,856,043 Two piece ceramic Soller slit collimator for X-ray collimation | 16 | 1988 | |
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| 6,018,566 Grid formed with silicon substrate | 11 | 1997 | |
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| 5,851,897 Method of forming a dram cell with a crown-fin-pillar structure capacitor | 16 | 1996 | |
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| 6,344,392 Methods of manufacture of crown or stack capacitor with a monolithic fin structure made with a different oxide etching rate in hydrogen fluoride vapor | 18 | 1998 | |
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| 6,185,278 Focused radiation collimator | 14 | 1999 | |
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| 6,242,163 Shape deposition manufacturing of microscopic ceramic and metallic parts using silicon molds | 23 | 1999 | |
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| 6,210,644 Slatted collimator | 10 | 1998 | |
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| 5,985,204 Method for producing laminated object | 13 | 1998 | |
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| 5,998,260 Method for manufacturing DRAM capacitor | 16 | 1998 | |
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| 6,134,294 Device and method for precision macular X-irradiation | 53 | 1998 | |
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| 5,378,583 Formation of microstructures using a preformed photoresist sheet | 83 | 1993 | |
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| 4,288,697 Laminate radiation collimator | 49 | 1979 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 9, 2016 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 9, 2020 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |