Non-melt Laser Thermal Annealing of Shallow Boron Implantation for Back Surface Passivation of Backside-Illuminated CMOS

  • PDF / 300,335 Bytes
  • 6 Pages / 432 x 648 pts Page_size
  • 26 Downloads / 164 Views

DOWNLOAD

REPORT


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ðGRVHXQGHUJRLQJ('LVDERXWZLWK SXOVHVFRPSDUHGWRVRPHIRUSXOVH7KHVHDFWLYDWLRQUDWHVDUHVWLOOORZZKHQFRPSDUHG WRWKHPHOWUHJLPH+RZHYHUDVVKRZQE\WKH3/VWXG\PRVWRIWKHFU\VWDOOLQHGHIHFWVDUHFXUHG ZKLFKPDNHVWKLVNLQGRISURFHVVVXLWDEOHIRUEDFNVLGHMXQFWLRQIRUPDWLRQ N



N

5V 2KPVT



[ FP B3   [ FP B3

N N N N 







/DVHU('   )LJXUH5VYVODVHU('IRU[FPðDQG[FPðGRVHVIRUVLQJOHSXOVH/7$

211









[ FP   [ FP



[ FP   [ FP

5V 2KPVT

N

N









1XPEHURISXOVHV  )LJXUH5VYVQXPEHURISXOVHVDW/7$FRQGLWLRQIRU IURPWRSWRERWWRP [ [[DQG[FPGRVHV7KHGDVKHGOLQHVUHSUHVHQWWKH5VYDOXHVREWDLQHGLQWKH PHOWUHJLPHIRUHDFKGRVH

$VLPSODQWHG 3[PHOW7KUHV 3[PHOW7KUHV 3[PHOW7KUHV 3[PHOW7KUHV 3[PHOW7KUHV 3[PHOW7KUHV

(



%&RQFHQWUDWLRQ FP

%RURQ6,06SURILOHLQWKH[FPðFDVHDUHVKRZQLQ)LJIRUYDULRXVQRQPHOW/7$ FRQGLWLRQV,WFDQEHVHHQWKDWQRQPHOWDQQHDOLQJGRHVQRWDOWHUWKHLPSODQWHGSURILOHHYHQLQWKH PXOWLSXOVHGFDVHWKXVGHPRQVWUDWLQJWKHGLIIXVLRQOHVVFKDUDFWHURIWKH/7$SURFHVV$VKDOORZ MXQFWLRQGHSWKRIDERXWQP H[WUDFWHGDWFPFRQFHQWUDWLRQ KDVEHHQDFKLHYHG$V VKRZQSUHYLRXVO\>@LQWKHPHOWUHJLPHWKHMXQFWLRQLVGHILQHGE\WKHPHOWLQJGHSWKZKLFKLQ WXUQLVVWURQJO\UHODWHGWRWKHODVHUHQHUJ\GHQVLW\+HUHLQWKHQRQPHOWFDVHWKHMXQFWLRQGHSWK LVPDLQO\OLPLWHGE\WKHLPSODQWDWLRQFRQGLWLRQV

( ( ( (













'HSWK QP   )LJXUH6,06SURILOHVRQWKHHFP ðLPSODQWHGVDPSOHIRUVLQJOHDQGPXOWLSXOVHGQRQPHOW SURFHVV )LJVKRZVWKHWKHUPDOVLPXODWLRQUHVXOWVQHDUWKHPHOWWKUHVKROGLQWKHVLQJOHSXOVHFDVH $VLWFDQEHVHHQRQWKHWHPSHUDWXUHSURILOHVVKRZQIRUGLIIHUHQWWLPHVWHSVWKHKLJKWHPSHUDWXUH UHJLRQLVOLPLWHGWRWKHVXUIDFHDQGWKHRYHUDOOSURFHVVWLPHVFDOHLVVXEPLFURVHFRQG7\SLFDOO\ DVVKRZQLQWKHLQVHUWRI)LJWKHILUVWQPDUHVXEMHFWHGWRWHPSHUDWXUHVDERYHƒ&IRU DERXWQV7KLVNLQGRISURFHVVLVI