Infrared sensor package
First Claim
Patent Images
1. An electromagnetic radiation sensor package comprising:
- a support member having a first flared end, with a cavity disposed in said first end substantially extending through the length of the member, said member further having a second end with a platform adaptable for supporting an electromagnetic radiation sensor and at least one planar side, said at least one planar side being non-coplanar with said platform, and having a pair of sidewall portions extending above said platform, wherein said platform is substantially perpendicular to the length of the support member and wherein each of the pair of sidewall portions has a ledge portion disposed above the platform.
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Abstract
A dual-band infrared sensor package for use in radar system applications is provided. The package includes two detector arrays, an InSb photodiode array sensitive in the mid-wave infrared radiation range and a HgCdTe photodiode array sensitive in the long-wave infrared radiation range. The package further includes integrated circuits which provide electrical control to and data output from the detector arrays. A three dimensional arrangement of the detector arrays, integrated circuits, and ceramic interconnecting substrates is used to provide a relatively small sensor package suitable for radar system applications so that radar signals are not obscured.
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Citations
28 Claims
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1. An electromagnetic radiation sensor package comprising:
a support member having a first flared end, with a cavity disposed in said first end substantially extending through the length of the member, said member further having a second end with a platform adaptable for supporting an electromagnetic radiation sensor and at least one planar side, said at least one planar side being non-coplanar with said platform, and having a pair of sidewall portions extending above said platform, wherein said platform is substantially perpendicular to the length of the support member and wherein each of the pair of sidewall portions has a ledge portion disposed above the platform. - View Dependent Claims (2, 24, 27)
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3. An infrared sensor comprising:
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a support member having a first end, with a cavity disposed in said first end substantially extending through the length of the member, said member further having a second end with a platform and at least one side being non-coplanar with said platform, and having a pair of sidewall portions extending above said platform, wherein said platform is disposed substantially perpendicular to the length of said support member; first means, disposed over the platform of the second end and responsive to electromagnetic infrared radiation having wavelengths within a first range of wavelengths, for providing a first plurality of signals corresponding to intensity of incident electromagnetic infrared radiation having wavelengths within said first range of wavelengths; and multiplexing means, disposed over the at least one side of the second end and having a plurality of inputs fed by signals provided by the first means, for providing at least one serial data stream corresponding to the signals provided by the first means. - View Dependent Claims (4, 5, 6, 7, 8, 9)
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10. An infrared sensor comprising:
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a support member having a first end, with a cavity disposed in said first end substantially extending through the length of the member, said member further having a second end with a platform and at least one side non-coplanar with said platform; means disposed over the platform of the second end and responsive to electromagnetic infrared radiation having wavelengths within a first and a second range of wavelengths, for providing a plurality of signals corresponding to intensity of incident electromagnetic infrared radiation having wavelengths with said first and second ranges of wavelengths; and multiplexing means, disposed over the at least one side of the second end and having a plurality of inputs fed by signals provided by said electromagnetic radiation responsive means, for providing at least one serial data stream corresponding to the signals provided by the electromagnetic infrared radiation responsive means.
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11. An infrared sensor comprising:
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a support member having a first end, with a cavity disposed in said first end substantially extending through the length of the member, said member further having a second end with a platform and a pair of sides, said sides being non-coplanar with said platform; first means, disposed over the platform of the second end and responsive to electromagnetic infrared radiation having wavelengths within a first range of wavelengths, for providing a first plurality of signals corresponding to intensity of incident electromagnetic infrared radiation having wavelengths within said first range of wavelengths; second means, disposed over the platform of the second end and responsive to electromagnetic infrared radiation having wavelengths within a second range of wavelengths, for providing a second plurality of signals-corresponding to intensity of incident electromagnetic infrared radiation having wavelengths within said second range of wavelengths; first multiplexing means, disposed over the platform of the second end and having a plurality of inputs fed by a first portion of the first plurality of signals provided by the first means for providing a serial data stream corresponding to the first portion of the first plurality of signals provided by the first means; second multiplexing means, disposed over the platform of the second end and having a plurality of inputs fed by a first portion of the second plurality of signals provided by the second means for providing a serial data stream corresponding to the first portion of the second plurality of signals provided by the second means; third multiplexing means, disposed over a first one of said pair of sides of the second end and having a plurality of inputs fed by a second, remaining portion of the first plurality of signals provided by the first means for providing a serial data stream corresponding to the second, remaining portion of the first plurality of signals provided by the first means; and fourth multiplexing means, disposed over the second one of said pair of sides and having a plurality of inputs fed by the second, remaining portion of the plurality of signals provided by the second means for providing a serial data stream corresponding to the second, remaining portion of the second plurality of signals provided. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 28)
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25. An infrared sensor package comprising:
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a support member for supporting said infrared sensor having a first end, with a cavity disposed in said first end substantially extending through the length of the member, said member further having a second end; and a platform disposed over said second end, said platform comprising; (a) a top surface disposed .substantially perpendicular to the length of the support member; and (b) a pair of curved sidewall portions extending above said top surface. - View Dependent Claims (26)
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Specification