Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/93924
Type: Artigo de evento
Title: Characterization And Performance Evaluation Of A Aps Pixel In A Standard 2μm Cmos Technology
Author: Mestanza S.N.M.
Rodriguez E.
Jimenez H.G.
Diniz J.A.
Doi I.
Swart J.W.
Abstract: The characterization of an active pixel sensor (APS) fabricated with the 2μm CMOS process entirely developed in the Center of Semiconductor Components of UNICAMP is presented. The transistors were manufactured with channel length and width of L=2 μm and W=10 μm, respectively. The CMOS process parameters used were: gate SiO2 thickness of 30nm, junction depths (X Jn and XJp) of 0.45μm and gate of Si-poly n +. The obtained threshold voltages were Vtn=0.8V and Vtp=-0.7V for n and p MOSFETS, respectively. The photodetectors are n+-diodes on a p-type substrate with the same junction depth of Xjn=0.45μm. The fill-factor is about 44% and consumed power for pixel is roughly 2mW. The devices show responsivity peaks (38 mA/W) located around 500 nm. Measurements of the photocurrent show a linear relation with the light optical power. When operated at a reverse bias of 5.0 V, the photodetector achieve a dark current density of μA/cm2 at 25°C, and a gain factor Γ= 0.03 μV/e. These results are in good agreement with those found in the literature.
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Rights: fechado
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-31744438135&partnerID=40&md5=a015c94ca495c72f59cc8e2f3a534061
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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