EP0963601A1 - Verfahren zur herstellung eines siliziumkondensators - Google Patents
Verfahren zur herstellung eines siliziumkondensatorsInfo
- Publication number
- EP0963601A1 EP0963601A1 EP98905245A EP98905245A EP0963601A1 EP 0963601 A1 EP0963601 A1 EP 0963601A1 EP 98905245 A EP98905245 A EP 98905245A EP 98905245 A EP98905245 A EP 98905245A EP 0963601 A1 EP0963601 A1 EP 0963601A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- hole structures
- conductive
- silicon substrate
- silicon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000003990 capacitor Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 229910052710 silicon Inorganic materials 0.000 claims description 48
- 239000010703 silicon Substances 0.000 claims description 48
- 238000005530 etching Methods 0.000 claims description 14
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 14
- 229920005591 polysilicon Polymers 0.000 claims description 14
- 239000002019 doping agent Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 10
- 238000005452 bending Methods 0.000 description 10
- 239000003792 electrolyte Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 235000012431 wafers Nutrition 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002800 charge carrier Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000005368 silicate glass Substances 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910000085 borane Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229940069814 mi-omega Drugs 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66083—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
- H01L29/66181—Conductor-insulator-semiconductor capacitors, e.g. trench capacitors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/038—Making the capacitor or connections thereto the capacitor being in a trench in the substrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/96—Porous semiconductor
Definitions
- the perforated structures 2 begin to grow from unevenness in the main surface 11, which are present with a statistical distribution in each surface.
- These bumps can be produced using conventional photolithography, for example.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Semiconductor Integrated Circuits (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19701935 | 1997-01-21 | ||
DE19701935A DE19701935C1 (de) | 1997-01-21 | 1997-01-21 | Verfahren zur Herstellung eines Siliziumkondensators |
PCT/DE1998/000089 WO1998032166A1 (de) | 1997-01-21 | 1998-01-12 | Verfahren zur herstellung eines siliziumkondensators |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0963601A1 true EP0963601A1 (de) | 1999-12-15 |
Family
ID=7817901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98905245A Withdrawn EP0963601A1 (de) | 1997-01-21 | 1998-01-12 | Verfahren zur herstellung eines siliziumkondensators |
Country Status (7)
Country | Link |
---|---|
US (1) | US6165835A (de) |
EP (1) | EP0963601A1 (de) |
JP (1) | JP2001508948A (de) |
KR (1) | KR20000070287A (de) |
DE (1) | DE19701935C1 (de) |
TW (1) | TW370705B (de) |
WO (1) | WO1998032166A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10138759A1 (de) | 2001-08-07 | 2003-03-06 | Bosch Gmbh Robert | Verfahren zur Herstellung eines Halbleiterbauelements sowie Halbleiterbauelement, insbesondere Membransensor |
DE102004063560B4 (de) * | 2004-12-30 | 2009-01-29 | Infineon Technologies Ag | Kapazitive Struktur und Verfahren zur Herstellung einer kapazitiven Struktur |
US7911802B2 (en) | 2007-04-06 | 2011-03-22 | Ibiden Co., Ltd. | Interposer, a method for manufacturing the same and an electronic circuit package |
US7670931B2 (en) * | 2007-05-15 | 2010-03-02 | Novellus Systems, Inc. | Methods for fabricating semiconductor structures with backside stress layers |
US8487405B2 (en) | 2011-02-17 | 2013-07-16 | Maxim Integrated Products, Inc. | Deep trench capacitor with conformally-deposited conductive layers having compressive stress |
US11201155B2 (en) * | 2018-12-14 | 2021-12-14 | Xia Tai Xin Semiconductor (Qing Dao) Ltd. | Semiconductor device and method for fabricating the same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4125199C2 (de) * | 1991-07-30 | 1994-04-28 | Siemens Ag | Kompakte Halbleiterspeicheranordnung, Verfahren zu deren Herstellung und Speichermatrix |
RU2082258C1 (ru) * | 1991-08-14 | 1997-06-20 | Сименс АГ | Схемная структура с по меньшей мере одним конденсатором и способ ее изготовления |
GB2262186A (en) * | 1991-12-04 | 1993-06-09 | Philips Electronic Associated | A capacitive structure for a semiconductor device |
US5348627A (en) * | 1993-05-12 | 1994-09-20 | Georgia Tech Reserach Corporation | Process and system for the photoelectrochemical etching of silicon in an anhydrous environment |
JPH07130871A (ja) * | 1993-06-28 | 1995-05-19 | Toshiba Corp | 半導体記憶装置 |
US5619061A (en) * | 1993-07-27 | 1997-04-08 | Texas Instruments Incorporated | Micromechanical microwave switching |
DE4428195C1 (de) * | 1994-08-09 | 1995-04-20 | Siemens Ag | Verfahren zur Herstellung eines Siliziumkondensators |
US5508542A (en) * | 1994-10-28 | 1996-04-16 | International Business Machines Corporation | Porous silicon trench and capacitor structures |
-
1997
- 1997-01-21 DE DE19701935A patent/DE19701935C1/de not_active Expired - Fee Related
- 1997-12-30 TW TW086119961A patent/TW370705B/zh active
-
1998
- 1998-01-12 JP JP53351598A patent/JP2001508948A/ja active Pending
- 1998-01-12 US US09/341,937 patent/US6165835A/en not_active Expired - Fee Related
- 1998-01-12 WO PCT/DE1998/000089 patent/WO1998032166A1/de not_active Application Discontinuation
- 1998-01-12 EP EP98905245A patent/EP0963601A1/de not_active Withdrawn
- 1998-01-12 KR KR1019997006516A patent/KR20000070287A/ko not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO9832166A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20000070287A (ko) | 2000-11-25 |
TW370705B (en) | 1999-09-21 |
WO1998032166A1 (de) | 1998-07-23 |
US6165835A (en) | 2000-12-26 |
DE19701935C1 (de) | 1997-12-11 |
JP2001508948A (ja) | 2001-07-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19990720 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT CH DE DK ES FI FR GB IE IT LI NL SE |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: EPCOS AG |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
RTI1 | Title (correction) |
Free format text: METHOD FOR PRODUCING A SILICON CAPACITOR |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: EPCOS AG |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20030611 |