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1. (WO2018139557) SEMICONDUCTOR DEVICE
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Pub. No.: WO/2018/139557 International Application No.: PCT/JP2018/002358
Publication Date: 02.08.2018 International Filing Date: 25.01.2018
IPC:
H01L 29/872 (2006.01) ,H01L 21/322 (2006.01) ,H01L 21/329 (2006.01) ,H01L 21/336 (2006.01) ,H01L 29/06 (2006.01) ,H01L 29/47 (2006.01) ,H01L 29/78 (2006.01) ,H01L 29/861 (2006.01) ,H01L 29/868 (2006.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
29
Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having at least one potential-jump barrier or surface barrier; Capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof
66
Types of semiconductor device
86
controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated, or switched
861
Diodes
872
Schottky diodes
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
21
Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
02
Manufacture or treatment of semiconductor devices or of parts thereof
04
the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer, carrier concentration layer
18
the devices having semiconductor bodies comprising elements of the fourth group of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
30
Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20-H01L21/26142
322
to modify their internal properties, e.g. to produce internal imperfections
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
21
Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
02
Manufacture or treatment of semiconductor devices or of parts thereof
04
the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer, carrier concentration layer
18
the devices having semiconductor bodies comprising elements of the fourth group of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
328
Multistep processes for the manufacture of devices of the bipolar type, e.g. diodes, transistors, thyristors
329
the devices comprising one or two electrodes, e.g. diodes
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
21
Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
02
Manufacture or treatment of semiconductor devices or of parts thereof
04
the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer, carrier concentration layer
18
the devices having semiconductor bodies comprising elements of the fourth group of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
334
Multistep processes for the manufacture of devices of the unipolar type
335
Field-effect transistors
336
with an insulated gate
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
29
Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having at least one potential-jump barrier or surface barrier; Capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof
02
Semiconductor bodies
06
characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
29
Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having at least one potential-jump barrier or surface barrier; Capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof
40
Electrodes
43
characterised by the materials of which they are formed
47
Schottky barrier electrodes
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
29
Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having at least one potential-jump barrier or surface barrier; Capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof
66
Types of semiconductor device
68
controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified, or switched
76
Unipolar devices
772
Field-effect transistors
78
with field effect produced by an insulated gate
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
29
Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having at least one potential-jump barrier or surface barrier; Capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof
66
Types of semiconductor device
86
controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated, or switched
861
Diodes
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
29
Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having at least one potential-jump barrier or surface barrier; Capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof
66
Types of semiconductor device
86
controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated, or switched
861
Diodes
868
PIN diodes
Applicants:
ローム株式会社 ROHM CO., LTD. [JP/JP]; 京都府京都市右京区西院溝崎町21番地 21, Saiin Mizosaki-cho, Ukyo-ku, Kyoto-shi, Kyoto 6158585, JP
Inventors:
森 誠悟 MORI, Seigo; JP
明田 正俊 AKETA, Masatoshi; JP
Agent:
特許業務法人あい特許事務所 AI ASSOCIATION OF PATENT AND TRADEMARK ATTORNEYS; 大阪府大阪市中央区南本町二丁目6番12号 サンマリオンNBFタワー21階 Sun Mullion NBF Tower, 21st Floor, 6-12, Minamihommachi 2-chome, Chuo-ku, Osaka-shi, Osaka 5410054, JP
Priority Data:
2017-01161025.01.2017JP
Title (EN) SEMICONDUCTOR DEVICE
(FR) DISPOSITIF À SEMI-CONDUCTEURS
(JA) 半導体装置
Abstract:
(EN) This semiconductor device comprises: a semiconductor layer of a first conductivity type, which has a main surface; a diode region of the first conductivity type, which is formed in a superficial part of the main surface of the semiconductor layer; a carrier trapping region which contains a crystal defect and is formed along the peripheral edge of the diode region in the superficial part of the main surface of the semiconductor layer; and an anode electrode which is formed on the main surface of the semiconductor layer, while forming a Schottky junction with the diode region.
(FR) La présente invention concerne un dispositif à semi-conducteurs qui comprend : une couche semi-conductrice d'un premier type de conductivité, qui présente une surface principale ; une région de diode du premier type de conductivité, qui est formée dans une partie superficielle de la surface principale de la couche semi-conductrice ; une région de piégeage de support qui contient un défaut cristallin et est formée le long du bord périphérique de la région de diode dans la partie superficielle de la surface principale de la couche semi-conductrice ; et une électrode d'anode qui est formée sur la surface principale de la couche semi-conductrice, tout en formant une jonction Schottky avec la région de diode.
(JA) 半導体装置は、主面を有する第1導電型の半導体層と、前記半導体層の前記主面の表層部に形成された第1導電型のダイオード領域と、結晶欠陥を含み、前記ダイオード領域の周縁に沿って前記半導体層の前記主面の表層部に形成されたキャリア捕獲領域と、前記半導体層の前記主面の上に形成され、前記ダイオード領域との間でショットキー接合を形成するアノード電極とを含む。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)