Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1984-02-24
1987-08-18
Munson, Gene M.
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
357 22, 357 24, 250370, H01L 2714, H01L 2980, H01L 2978, H01L 3100
Patent
active
046880674
ABSTRACT:
A semiconductor charge transport device and method for making same, characterized by providing a thin semiconductor wafer having rectifying junctions on its opposing major surfaces and including a small capacitance ohmic contact, in combination with bias voltage means and associated circuit means for applying a predetermined voltage to effectively deplete the wafer in regions thereof between the rectifying junctions and the ohmic contact. A charge transport device of the invention is usable as a drift chamber, a low capacitance detector, or a charge coupled device each constructed according to the methods of the invention for making such devices. Detectors constructed according to the principles of the invention are characterized by having significantly higher particle position indicating resolution than is attainable with prior art detectors, while at the same time requiring substantially fewer readout channels to realize such high resolution.
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Gatti Emilio
Rehak Pavel
Gottlieb Paul A.
Hightower Judson R.
Munson Gene M.
Myles Vale P.
The United States of America as represented by the Department of
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