X-ray imaging apparatus and X-ray imaging analysis apparatus

Details X-ray imaging apparatus and X-ray imaging analysis apparatus X-ray imaging apparatus and X-ray imaging analysis apparatus

1998-02-04

2000-03-28

Porta, David P.

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

25037009, H05G 164

Patent

active

060441283

ABSTRACT:
An X-ray imaging apparatus utilized in an imaging analysis apparatus that includes plural charge conversion devices for converting irradiated X-rays into electric charge and corresponding plural charge storage devices for storing the converted electric charge. Each charge conversion device and charge storage device represent a pixel in an image and are read by a thin film transistor. A thin film diode is connected to each charge storage device to discharge excessive stored voltage. The thin film diode has a Metal-Insulator-Metal (MIM structure), a Metal Semi-Insulator (MSI structure), or a Back-to-Back (BTB structure).

REFERENCES:
patent: 4689487 (1987-08-01), Nishiki et al.
patent: 4888246 (1989-12-01), Kuwata et al.
patent: 5187602 (1993-02-01), Ikeda et al.
patent: 5276329 (1994-01-01), Hughes

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