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1. (WO2011015398) SCHOTTKY DIODE WITH SUBSTRATE PN DIODE
PCT Biblio. Data
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Pub. No.:
WO/2011/015398
International Application No.:
PCT/EP2010/058168
Publication Date:
10.02.2011
International Filing Date:
10.06.2010
IPC:
H01L 29/861
(2006.01),
H01L 29/872
(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
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
Applicants:
ROBERT BOSCH GMBH
[DE/DE]; Postfach 30 02 20 70442 Stuttgart (DE)
(For All Designated States Except US)
.
QU, Ning
[DE/DE]; (DE)
(For US Only)
.
GOERLACH, Alfred
[DE/DE]; (DE)
(For US Only)
Inventors:
QU, Ning
; (DE).
GOERLACH, Alfred
; (DE)
Common
Representative:
ROBERT BOSCH GMBH
; Postfach 30 02 20 70442 Stuttgart (DE)
Priority Data:
10 2009 028 241.6
05.08.2009
DE
Title
(DE)
SCHOTTKY DIODE MIT SUBSTRAT PN DIODE
(EN)
SCHOTTKY DIODE WITH SUBSTRATE PN DIODE
(FR)
DIODE SCHOTTKY À DIODE PN-SUBSTRAT
Abstract:
(DE)
Es wird eine Halbleiteranordnung mit einer Trench-Junction-Barrier-Schottky-Diode mit integrierter Substrat-PN-Diode (TJBS-Sub-PN), als Klammerelement, die sich insbesondere als Z-Diode mit einer Durchbruchspannung von ca. 20V zum Einsatz in Kfz-Generatorsystemen eignet, beschrieben. Dabei besteht die TJBS-Sub-PN aus einer Kombination von Schottky-Diode, Epi-PN-Diode und Substrat-PN-Diode und die Durchbruchspannung der Substrat-PN-Diode
BV_pn
ist niedriger als die Durchbruchspannung der Schottky-Diode
BV_schottky
und die Durchbruchspannung der Epi-PN-Diode
BV_epi
.
(EN)
A description is given of a semiconductor arrangement comprising a trench junction barrier Schottky diode with an integrated substrate PN diode (TJBS-Sub-PN), as a clamping element, which is suitable, in particular, as a zener diode having a breakdown voltage of approximately 20V for use in motor vehicle generator systems. The TJBS-Sub-PN consists of a combination of Schottky diode, epitaxial PN diode and substrate PN diode and the breakdown voltage of the substrate PN diode
BV_pn
is lower than the breakdown voltage of the Schottky diode
BV_schottky
and the breakdown voltage of the epitaxial PN diode
BV_epi
.
(FR)
L'invention concerne un ensemble semiconducteur comportant une diode barrière Schottky à structure en tranchée à diode PN-substrat (TJBS-Sub-PN) intégrée en tant qu'élément de blocage qui se prête en particulier à une utilisation comme diode Zener présentant une tension de claquage d'environ 20 V dans des systèmes d'alternateur de véhicules automobiles. La diode TJBS-Sub-PN est constituée d'une association d'une diode Schottky et d'une diode Epi-PN et d'une diode PN-substrat. La tension de claquage de la diode PN-substrat
BV_pn
est inférieure à la tension de claquage de la diode Schottky
BV_schottky
et à la tension de claquage de la diode Epi-PN
BV_epi.
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, 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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (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, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language:
German (
DE
)
Filing Language:
German (
DE
)