Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Reexamination Certificate
2005-08-23
2005-08-23
Porta, David (Department: 2878)
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
C250S374000, C250S336100
Reexamination Certificate
active
06933506
ABSTRACT:
The present invention relates to a microstrip gas chamber and microstrip plate capable of reading signals from readout electrodes provided at a rear surface of the substrate in a superior manner while having a simple and compact configuration. The microstrip plate comprises an electrically insulating substrate1, cathodes2and anodes3arranged alternately at the surface of the substrate1, read-out electrodes4arranged so as to intersect the cathodes2and anodes3at the rear surface of the substrate1, wherein a plurality of unitary regions20are provided at the surface of the substrate1and each unitary region20is electrically floated from the cathode via a resistance region5.
REFERENCES:
patent: 4642465 (1987-02-01), Britten
patent: 6207958 (2001-03-01), Giakos
patent: 6703619 (2004-03-01), Takahashi
patent: 0 887 752 (1998-12-01), None
Bellazzinni, et al.; “A Novel Type of Parallel Plate Chamber with Resistive Germanium Anode and a Two-Dimensional Readout;”Nuclear Instruments and Methods in Physics Research A247; 1986; pp. 445-452.
Cicognani, et al.; “Study of the Backside Signal of Micro-Strip Gas Counters on Electronic Conducting Glass;”IEEE Transactions on Nuclear Science; 1998; pp. 249-251.
Ladas & Parry LLP
Porta David
Sung Christine
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