Dual-array detector module

• US 7,470,914 B2
• Filed: 05/31/2006
• Issued: 12/30/2008
• Est. Priority Date: 06/01/2005
• Status: Active Grant

• Current Assignee: Nuctech Company Limited (Tsinghua Tongfang Co., Ltd.)
• Original Assignee: Nuctech Company Limited (Tsinghua Tongfang Co., Ltd.)
• Inventors: Li, Yuanjing, Zhang, Qingjun, Dai, Zhude, Li, Shuwei, Jiang, Nianming, Miao, Qingwen, Gao, Wenhuan
• Primary Examiner(s): Porta; David P
• Assistant Examiner(s): Eley; Jessica L
• Application Number:
  US11/444,190
• Publication Number:
  US 20060273259A1
• Time in Patent Office: 944 Days
• Field of Search: 250/394
• US Class Current: 250/394
• CPC Class Codes: G01N 23/04 and forming images of the material

Abstract

Disclosed is a dual array detector module adapted to radiation-imaging, comprising: a first detector array consisting of a plurality of first detectors and arranged on a first surface of a heavy metal plate; a second detector array consisting of a plurality of second detectors and arranged on a second surface of the heavy metal plate opposite to the first surface; and a mounting frame, in which the first detector away and the second detector array arranged on the first and second surfaces of the heavy metal plate respectively are mounted in the mounting frame, a housing which has a substantially elbow shape in cross-section, wherein an electronic circuit board having an output terminal and an input terminal is disposed inside the housing, in which the input terminal of the electronic circuit board is connected to signal output terminals of the first and second detector arrays and the output terminal of the electronic circuit board is connected to a socket mounted on the housing.

Claims

1. A detector module adapted to radiation-imaging, comprising:

a first detector array consisting of a plurality of first detectors and arranged on a first surface of a heavy metal plate;

a second detector away consisting of a plurality of second detectors and arranged on a second surface of the heavy metal plate, the second surface is opposite to the first surface;

a mounting frame, in which the first detector array and the second detector array arranged on the first and second surfaces of the heavy metal plate respectively are mounted in the mounting frame; and

a housing which has a substantially elbow shape in cross-section;

wherein an electronic circuit board having an output terminal and an input terminal is disposed inside the housing, in which the input terminal of the electronic circuit board is connected to signal output terminals of the first and second detector arrays and the output terminal of the electronic circuit board is connected to a socket mounted on the housing.

2. The detector module according to claim 1, wherein heavy metal sheets are disposed between the mounting frame and the first and second detector arrays, respectively.

3. The detector module according to claim 2, wherein spacing heavy metal sheets are disposed between adjacent first detectors in the first detector array and between adjacent second detectors in the second detector array, respectively.

4. The detector module according to claim 3, wherein the plurality of first detectors and the plurality of second detectors are arranged uniformly on the first and second surface of the heavy metal plate, respectively.

5. The detector module according to claim 1, wherein the electronic circuit board comprises a fist electronic circuit board and a second electronic circuit board;

wherein the socket is disposed on a front end surface and comprises a first socket and a second socket; and

wherein an input of the fist electronic circuit board is connected to a signal output terminal of the first detector away and an output of the fist electronic circuit board is connected to the first socket, and an input of the second electronic circuit board is connected to a signal output terminal of the second detector array and an output of the second electronic circuit board is connected to the second socket.

6. The detector module according to claim 5, further comprising a bottom plate, in which a rear end of the bottom plate is fixed to a bottom end of the housing and the mounting frame is mounted on the bottom plate;

and

wherein a supporting bracket is disposed inside the housing and the first and second electronic circuit boards are mounted on the supporting bracket.

7. The detector module according to claim 6, wherein the mounting frame comprises an upper plate and a lower plate which are parallel to each other, front ends of the upper and lower plates are sealed by using a side plate and rear ends of the upper and lower plates are extended into the bottom end of the housing, thereby the first and second detector arrays are located inside a frame space enclosed by the upper plate, the lower plate and the side plate.

8. The detector module according to claim 7, wherein the housing comprises an upper cover plate located at a top of the housing and a rear cover plate located at a rear of the housing.

9. The detector module according to claim 8, wherein the first and second detectors of the first and second detector arrays comprise a gas-filled detector or a solid-state detector.

10. A radiation imaging system, comprising a detector module according to claim 1.