US 11,573,337 B2Granted

Radiation detection device

AssigneeDai Nippon Printing Co., Ltd.

InventorsOsamu Shimada, Tomohisa Motomura, Toru Tanimori, Atsushi Takada

Life of this patent

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Abstract

A radiation detection device includes a detection element including a substrate having a first surface and a second surface, a first electrode on the first surface, a second electrode adjacent to the first electrode in a first direction, a third electrode adjacent to the first electrode in a second direction; a fourth electrode adjacent to the third electrode in the first direction and adjacent to the second electrode in the second direction and a fifth electrode on the first surface and between the first and second electrode, between the first and third electrode, between the second and fourth electrode, and between the third and fourth electrode; a wiring layer on the second surface and including a first wiring, a second wiring, a third wiring, and a fourth wiring; and a circuit element opposite to the wiring layer and connected to the first to fourth wiring.

Claims20

Dependent claims

A radiation detection device comprising:

a detection element including:
a substrate having a first surface and a second surface on an opposite side with respect to the first surface;
a first electrode arranged on the first surface;
a second electrode adjacent to the first electrode in a first direction;
a third electrode adjacent to the first electrode in a second direction intersecting the first direction;
a fourth electrode adjacent to the third electrode in the first direction and adjacent to the second electrode in the second direction;
and
a fifth electrode arranged on the first surface of the substrate and arranged between the first electrode and the second electrode, between the first electrode and the third electrode, between the second electrode and the fourth electrode, and between the third electrode and the fourth electrode, the fifth electrode integrally surrounding the first electrode, the second electrode, the third electrode, and the fourth electrode;
a wiring layer arranged on the second surface side and including a first wiring connected to the first electrode, a second wiring connected to the second electrode, a third wiring connected to the third electrode, and a fourth wiring connected to the fourth electrode;
and
a circuit element arranged opposite to the wiring layer in a normal direction of the substrate and connected to the first wiring, the second wiring, the third wiring, and the fourth wiring, wherein
the first wiring, the second wiring, the third wiring, and the fourth wiring are insulated from each other.

9 more elements

Dependencies are inferred from the claim text.

Facts

Application: 17/237,696Filed 22 Apr 2021 · continuation
Priority: JP JP2018-20176526 Oct 2018
Published: US 2021/0263172 A126 Aug 2021
Granted: 7 Feb 2023
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

G01T 1/241
With semiconductor detectors: electrode arrangements, e.g. continuous or parallel strips or the like
G01T 1/2935
Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras: using ionisation detectors
G01T 1/185
Measuring radiation intensity: with ionisation chamber arrangements
G01T 1/242
With semiconductor detectors: stacked detectors, e.g. for depth information