Multi-module radiation detecting device and fabrication method

A multi-module radiation detecting device comprising:

• a base substrate having a plurality of first electrically conductive contacts;
• a plurality of radiation detecting modules mounted over the base substrate in an array, each of the radiation detecting modules including:
• a carrier substrate disposed in contact with the base substrate,
• a flex circuit disposed over the carrier substrate, the flex circuit having a plurality of electrically conductive paths, a plurality of second electrically conductive contacts, and a plurality of third electrically conductive contacts, wherein the second contacts and third contacts are coupled to one another via the conductive paths,
• a radiation detecting tile mounted over the flex circuit, the radiation detecting tile having a plurality of radiation detecting elements and a plurality of fourth electrically conductive contacts, the fourth contacts being electrically coupled to the radiation detecting elements and to the third contacts of the flex circuit via the second contacts and the conductive paths of the flex circuit,
• wherein the third contacts of the flex circuit are electrically coupled to the first contacts of the base substrate, and wherein the fourth contacts, the second contacts, the conductive paths, and the third contacts electrically couple the radiation detecting elements of the radiation detecting tile to the first contacts of the base substrate.

A radiation detecting module, the radiation detecting module being mountable over a base substrate with a plurality of other radiation detecting modules to form an array of radiation detecting modules, wherein the base substrate includes a plurality of first electrically conductive contacts, the radiation detecting module comprising:

• a carrier substrate disposed in contact with the base substrate,
• a flex circuit disposed over the carrier substrate, the flex circuit having a plurality of electrically conductive paths, a plurality of second electrically conductive contacts, and a plurality of third electrically conductive contacts, wherein the second contacts and third contacts are coupled to one another via the conductive paths,
• a radiation detecting tile mounted over the flex circuit, the radiation detecting tile having a plurality of radiation detecting elements and a plurality of fourth electrically conductive contacts, the fourth contacts being electrically coupled to the radiation detecting elements and to the third contacts of the flex circuit via the second contacts and the conductive paths of the flex circuit,
• wherein the third contacts of the flex circuit are electrically coupled to the first contacts of the base substrate, and wherein the fourth contacts, the second contacts, the conductive paths, and the third contacts electrically couple the radiation detecting elements of the radiation detecting tile to the first contacts of the base substrate.

A method for producing a multi-module radiation detecting device, the method comprising the steps of:

• providing a base substrate having a plurality of first electrically conductive contacts;
• mounting a plurality of radiation detecting modules mounted over the base substrate in an array, each of the radiation detecting modules including:
• a carrier substrate having a plurality of second electrically conductive contacts and a plurality of third electrically conductive contacts, the second contacts being electrically coupled to the first contacts of the base substrate and to the third contacts of the carrier substrate, and
• a radiation detecting tile mounted over the carrier substrate, the radiation detecting tile having a plurality of radiation detecting elements and a plurality of fourth electrically conductive contacts, the fourth contacts being electrically coupled to the radiation detecting elements and to the third contacts of the carrier substrate,
• wherein the second, third, and fourth contacts electrically couple the radiation detecting elements of the radiation detecting tile to the first contacts of the base substrate.

A method for producing a multi-module radiation detecting device, the method comprising the steps of:

• providing a base substrate having a plurality of first electrically conductive contacts;
• mounting a plurality of radiation detecting modules over the base substrate in an array, each of the radiation detecting modules including:
• a carrier substrate disposed in contact with the base substrate,
• a flex circuit disposed over the carrier substrate, the flex circuit having a plurality of electrically conductive paths, a plurality of second electrically conductive contacts, and a plurality of third electrically conductive contacts, wherein the second contacts and third contacts are coupled to one another via the conductive paths,
• a radiation detecting tile mounted over the flex circuit, the radiation detecting tile having a plurality of radiation detecting elements and a plurality of fourth electrically conductive contacts, the fourth contacts being electrically coupled to the radiation detecting elements and to the third contacts of the flex circuit via the second contacts and the conductive paths of the flex circuit,
• wherein the third contacts of the flex circuit are electrically coupled to the first contacts of the base substrate, and wherein the fourth contacts, the second contacts, the conductive paths, and the third contacts electrically couple the radiation detecting elements of the radiation detecting tile to the first contacts of the base substrate.

A method for producing a multi-module radiation detecting device, the method comprising the steps of:

• assembling a plurality of radiation detecting modules in a two-dimensional array over a support, wherein the two-dimensional array has four peripheral sides, and wherein each of the radiation detecting modules includes:
• a carrier substrate having a plurality of first electrically conductive contacts and a plurality of second electrically conductive contacts, the first contacts being electrically coupled to the second contacts, and
• a radiation detecting tile mounted over the carrier substrate, the radiation detecting tile having a plurality of radiation detecting elements and a plurality of third electrically conductive contacts, the third contacts being electrically coupled to the radiation detecting elements and to the second contacts of the carrier substrate;
• applying force to each of the four peripheral sides of the two-dimensional array of radiation detecting modules to align the radiation detecting modules relative to one another;
• providing a base substrate having a plurality of fourth electrically conductive contacts;
• mounting the base substrate over the array of radiation detecting modules;
• and
• electrically coupling the first contacts of the carrier substrate to the fourth contacts of the base substrate, thereby coupling the radiation detecting elements to the fourth contacts via the first contacts, the second contacts, and the third contacts.

A method for producing a multi-module radiation detecting device, the method comprising the steps of:

• assembling a plurality of radiation detecting modules in a two-dimensional array over a support, wherein the two-dimensional array has four peripheral sides, and wherein each of the radiation detecting modules includes:
• a carrier substrate,
• a flex circuit disposed over the carrier substrate, the flex circuit having a plurality of first electrically conductive contacts, a plurality of electrically conductive paths, and a plurality of second electrically conductive contacts, the first contacts and the second contacts being coupled to one another via the conductive paths,
• a radiation detecting tile mounted over the flex circuit, the radiation detector tile having a plurality of radiation detecting elements and a plurality of third electrically conductive contacts, the third contacts being electrically coupled to the radiation detecting elements and to the second contacts of the flex circuit via the first contacts and the conductive paths of the flex circuit;
• applying force to each of the four peripheral sides of the two-dimensional array of radiation detecting modules to align the radiation detecting modules relative to one another;
• providing a base substrate having a plurality of fourth electrically conductive contacts;
• mounting the base substrate over the array of radiation detecting modules;
• and
• electrically coupling the second contacts of the flex circuit to the third contacts of the base substrate, thereby coupling the radiation detecting elements to the fourth contacts via the first contacts, the conductive paths, the second contacts, and the third contacts.