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Title: Monolithic active pixel radiation detector with shielding techniques

Patent ·
OSTI ID:1429079

A monolithic active pixel radiation detector including a method of fabricating thereof. The disclosed radiation detector can include a substrate comprising a silicon layer upon which electronics are configured. A plurality of channels can be formed on the silicon layer, wherein the plurality of channels are connected to sources of signals located in a bulk part of the substrate, and wherein the signals flow through electrically conducting vias established in an isolation oxide on the substrate. One or more nested wells can be configured from the substrate, wherein the nested wells assist in collecting charge carriers released in interaction with radiation and wherein the nested wells further separate the electronics from the sensing portion of the detector substrate. The detector can also be configured according to a thick SOA method of fabrication.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-07CH11359
Assignee:
Fermi Research Alliance, LLC (Batavia, IL)
Patent Number(s):
9,923,017
Application Number:
15/168,578
OSTI ID:
1429079
Resource Relation:
Patent File Date: 2016 May 31
Country of Publication:
United States
Language:
English

References (12)

Active pixel sensor integrated with a pinned photodiode patent April 1997
Active pixel sensor integrated with a photocapacitor patent November 1998
Active pixel sensor integrated with a pinned photodiode patent May 1999
Method of making an active pixel sensor integrated with a pinned photodiode patent February 2000
Multi-spectral planar photodiode infrared radiation detector pixels patent March 2000
Bad pixel column processing in a radiation detection panel patent September 2000
Conductive guard rings for elevated active pixel sensors patent May 2001
Method for storing and retrieving data from an imaging array of vertical-color-filter detector groups patent August 2005
Large-area pixel for use in an image sensor patent April 2011
Buried guard ring and radiation hardened isolation structures and fabrication methods patent-application August 2005
Image sensor with SOI substrate patent-application January 2007
Large -area pixel for use in an image sensor patent-application August 2009

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