CA1215477A - Semiconductor device comprising a layer of tungsten between conductive tracks - Google Patents
Semiconductor device comprising a layer of tungsten between conductive tracksInfo
- Publication number
- CA1215477A CA1215477A CA000453393A CA453393A CA1215477A CA 1215477 A CA1215477 A CA 1215477A CA 000453393 A CA000453393 A CA 000453393A CA 453393 A CA453393 A CA 453393A CA 1215477 A CA1215477 A CA 1215477A
- Authority
- CA
- Canada
- Prior art keywords
- layer
- conductive track
- tungsten
- insulating layer
- conductive
- 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.)
- Expired
Links
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 45
- 239000010937 tungsten Substances 0.000 title claims abstract description 45
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000004065 semiconductor Substances 0.000 title claims abstract description 22
- NXHILIPIEUBEPD-UHFFFAOYSA-H tungsten hexafluoride Chemical compound F[W](F)(F)(F)(F)F NXHILIPIEUBEPD-UHFFFAOYSA-H 0.000 claims description 20
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000002019 doping agent Substances 0.000 claims description 3
- 239000012495 reaction gas Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 239000010410 layer Substances 0.000 description 128
- 238000000151 deposition Methods 0.000 description 22
- 230000008021 deposition Effects 0.000 description 17
- 238000005530 etching Methods 0.000 description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 238000010494 dissociation reaction Methods 0.000 description 7
- 230000005593 dissociations Effects 0.000 description 7
- 229920002120 photoresistant polymer Polymers 0.000 description 7
- 238000000059 patterning Methods 0.000 description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000002679 ablation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910021339 platinum silicide Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 2
- ZXEYZECDXFPJRJ-UHFFFAOYSA-N $l^{3}-silane;platinum Chemical compound [SiH3].[Pt] ZXEYZECDXFPJRJ-UHFFFAOYSA-N 0.000 description 1
- 229910000809 Alumel Inorganic materials 0.000 description 1
- 229910015844 BCl3 Inorganic materials 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 206010013457 Dissociation Diseases 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 208000018459 dissociative disease Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- PCLURTMBFDTLSK-UHFFFAOYSA-N nickel platinum Chemical compound [Ni].[Pt] PCLURTMBFDTLSK-UHFFFAOYSA-N 0.000 description 1
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 1
- 229910021334 nickel silicide Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 1
- WNUPENMBHHEARK-UHFFFAOYSA-N silicon tungsten Chemical compound [Si].[W] WNUPENMBHHEARK-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical compound [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 150000003657 tungsten Chemical class 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/5226—Via connections in a multilevel interconnection structure
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
- H01L21/76879—Filling of holes, grooves or trenches, e.g. vias, with conductive material by selective deposition of conductive material in the vias, e.g. selective C.V.D. on semiconductor material, plating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
- Drying Of Semiconductors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/490,381 US4517225A (en) | 1983-05-02 | 1983-05-02 | Method for manufacturing an electrical interconnection by selective tungsten deposition |
| US490,381 | 1983-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1215477A true CA1215477A (en) | 1986-12-16 |
Family
ID=23947802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000453393A Expired CA1215477A (en) | 1983-05-02 | 1984-05-02 | Semiconductor device comprising a layer of tungsten between conductive tracks |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4517225A (en, 2012) |
| EP (1) | EP0124181B1 (en, 2012) |
| JP (1) | JPS605545A (en, 2012) |
| CA (1) | CA1215477A (en, 2012) |
| DE (1) | DE3482970D1 (en, 2012) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4794019A (en) * | 1980-09-04 | 1988-12-27 | Applied Materials, Inc. | Refractory metal deposition process |
| JPS6050920A (ja) * | 1983-08-30 | 1985-03-22 | Toshiba Corp | 半導体装置の製造方法 |
| FR2566184B1 (fr) * | 1984-05-11 | 1987-07-24 | Efcis | Circuits integres a plusieurs niveaux d'interconnexion en alliage d'aluminium et procede de fabrication |
| EP0164976B1 (en) * | 1984-06-02 | 1990-10-24 | Fujitsu Limited | Method of producing a contact for a semiconductor device |
| US4552783A (en) * | 1984-11-05 | 1985-11-12 | General Electric Company | Enhancing the selectivity of tungsten deposition on conductor and semiconductor surfaces |
| US4699801A (en) * | 1985-02-28 | 1987-10-13 | Kabuskiki Kaisha Toshiba | Semiconductor device |
| US4648175A (en) * | 1985-06-12 | 1987-03-10 | Ncr Corporation | Use of selectively deposited tungsten for contact formation and shunting metallization |
| US4630357A (en) * | 1985-08-02 | 1986-12-23 | Ncr Corporation | Method for forming improved contacts between interconnect layers of an integrated circuit |
| US4650696A (en) * | 1985-10-01 | 1987-03-17 | Harris Corporation | Process using tungsten for multilevel metallization |
| US4741928A (en) * | 1985-12-27 | 1988-05-03 | General Electric Company | Method for selective deposition of tungsten by chemical vapor deposition onto metal and semiconductor surfaces |
| JPS62216224A (ja) * | 1986-03-17 | 1987-09-22 | Fujitsu Ltd | タングステンの選択成長方法 |
| US4647340A (en) * | 1986-03-31 | 1987-03-03 | Ncr Corporation | Programmable read only memory using a tungsten fuse |
| US4968644A (en) * | 1986-06-16 | 1990-11-06 | At&T Bell Laboratories | Method for fabricating devices and devices formed thereby |
| EP0275299A1 (en) * | 1986-07-31 | 1988-07-27 | AT&T Corp. | Semiconductor devices having improved metallization |
| US4740483A (en) * | 1987-03-02 | 1988-04-26 | Motorola, Inc. | Selective LPCVD tungsten deposition by nitridation of a dielectric |
| US4988423A (en) * | 1987-06-19 | 1991-01-29 | Matsushita Electric Industrial Co., Ltd. | Method for fabricating interconnection structure |
| EP0322466A1 (en) * | 1987-12-24 | 1989-07-05 | Ibm Deutschland Gmbh | PECVD (plasma enhanced chemical vapor deposition) method for deposition of tungsten or layers containing tungsten by in situ formation of tungsten fluorides |
| US5055423A (en) * | 1987-12-28 | 1991-10-08 | Texas Instruments Incorporated | Planarized selective tungsten metallization system |
| US5212400A (en) * | 1988-02-18 | 1993-05-18 | International Business Machines Corporation | Method of depositing tungsten on silicon in a non-self-limiting CVD process and semiconductor device manufactured thereby |
| US5071788A (en) * | 1988-02-18 | 1991-12-10 | International Business Machines Corporation | Method for depositing tungsten on silicon in a non-self-limiting CVD process and semiconductor device manufactured thereby |
| US4997520A (en) * | 1988-06-10 | 1991-03-05 | Texas Instruments Incorporated | Method for etching tungsten |
| US4896108A (en) * | 1988-07-25 | 1990-01-23 | American Telephone And Telegraph Company, At&T Bell Laboratories | Test circuit for measuring specific contact resistivity of self-aligned contacts in integrated circuits |
| JP2947818B2 (ja) * | 1988-07-27 | 1999-09-13 | 株式会社日立製作所 | 微細孔への金属穴埋め方法 |
| US4853347A (en) * | 1988-10-03 | 1989-08-01 | Motorola, Inc. | Selective metal deposition process |
| US4920072A (en) * | 1988-10-31 | 1990-04-24 | Texas Instruments Incorporated | Method of forming metal interconnects |
| US4997789A (en) * | 1988-10-31 | 1991-03-05 | Texas Instruments Incorporated | Aluminum contact etch mask and etchstop for tungsten etchback |
| US4985372A (en) * | 1989-02-17 | 1991-01-15 | Tokyo Electron Limited | Method of forming conductive layer including removal of native oxide |
| US4920403A (en) * | 1989-04-17 | 1990-04-24 | Hughes Aircraft Company | Selective tungsten interconnection for yield enhancement |
| US5077100A (en) * | 1989-10-17 | 1991-12-31 | Microelectronics And Computer Technology Corporation | Method for forming electrical connections between copper conductors |
| US4987099A (en) * | 1989-12-29 | 1991-01-22 | North American Philips Corp. | Method for selectively filling contacts or vias or various depths with CVD tungsten |
| US5180432A (en) * | 1990-01-08 | 1993-01-19 | Lsi Logic Corporation | Apparatus for conducting a refractory metal deposition process |
| EP1069208A3 (en) * | 1990-01-08 | 2003-05-21 | Lsi Logic Corporation | Method of diffusing gas into a CVD chamber and gas diffusing means |
| US5231052A (en) * | 1991-02-14 | 1993-07-27 | Industrial Technology Research Institute | Process for forming a multilayer polysilicon semiconductor electrode |
| CA2067565C (en) * | 1992-04-29 | 1999-02-16 | Ismail T. Emesh | Deposition of tungsten |
| US5320978A (en) * | 1993-07-30 | 1994-06-14 | The United States Of America As Represented By The Secretary Of The Navy | Selective area platinum film deposition |
| JPH07245343A (ja) * | 1994-03-03 | 1995-09-19 | Toshiba Corp | 半導体装置及びその製造方法 |
| US5561083A (en) * | 1994-12-29 | 1996-10-01 | Lucent Technologies Inc. | Method of making multilayered Al-alloy structure for metal conductors |
| JPH08306774A (ja) * | 1995-05-01 | 1996-11-22 | Oki Electric Ind Co Ltd | 半導体装置及びその製造方法 |
| JP2978748B2 (ja) * | 1995-11-22 | 1999-11-15 | 日本電気株式会社 | 半導体装置の製造方法 |
| KR100440418B1 (ko) * | 1995-12-12 | 2004-10-20 | 텍사스 인스트루먼츠 인코포레이티드 | 저압,저온의반도체갭충전처리방법 |
| US20140248767A1 (en) | 2013-03-01 | 2014-09-04 | Micron Technology, Inc. | Methods Of Fabricating Integrated Circuitry |
| US10014255B2 (en) | 2016-03-14 | 2018-07-03 | International Business Machines Corporation | Contacts having a geometry to reduce resistance |
| GB201900016D0 (en) | 2019-01-02 | 2019-02-13 | Dyson Technology Ltd | Air treatment apparatus |
| GB201900018D0 (en) | 2019-01-02 | 2019-02-13 | Dyson Technology Ltd | Air treatment apparatus |
| US12191200B2 (en) | 2021-09-29 | 2025-01-07 | Applied Materials, Inc. | Methods for minimizing feature-to-feature gap fill height variations |
| GB202214770D0 (en) | 2022-10-07 | 2022-11-23 | Sun Chemical Corp | Primers for digital printing |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3477872A (en) * | 1966-09-21 | 1969-11-11 | Rca Corp | Method of depositing refractory metals |
| US3697342A (en) * | 1970-12-16 | 1972-10-10 | Ibm | Method of selective chemical vapor deposition |
| JPS5342396B2 (en, 2012) * | 1973-06-29 | 1978-11-10 | ||
| JPS52149990A (en) * | 1976-06-09 | 1977-12-13 | Hitachi Ltd | Production of multilayer wirings |
| US4172004A (en) * | 1977-10-20 | 1979-10-23 | International Business Machines Corporation | Method for forming dense dry etched multi-level metallurgy with non-overlapped vias |
| GB1604074A (en) * | 1978-05-17 | 1981-12-02 | Fujitsu Ltd | Semiconductor device and process for producing the same |
| JPS5933252B2 (ja) * | 1978-07-13 | 1984-08-14 | 三菱電機株式会社 | 半導体装置の製造方法 |
| JPS5585042A (en) * | 1978-12-21 | 1980-06-26 | Mitsubishi Electric Corp | Semiconductor device |
| US4267012A (en) * | 1979-04-30 | 1981-05-12 | Fairchild Camera & Instrument Corp. | Process for patterning metal connections on a semiconductor structure by using a tungsten-titanium etch resistant layer |
| JPS5750429A (en) * | 1980-09-12 | 1982-03-24 | Nec Corp | Manufacture of semiconductor device |
| US4404235A (en) * | 1981-02-23 | 1983-09-13 | Rca Corporation | Method for improving adhesion of metal film on a dielectric surface |
-
1983
- 1983-05-02 US US06/490,381 patent/US4517225A/en not_active Expired - Lifetime
-
1984
- 1984-05-02 CA CA000453393A patent/CA1215477A/en not_active Expired
- 1984-05-02 DE DE8484200602T patent/DE3482970D1/de not_active Expired - Lifetime
- 1984-05-02 EP EP84200602A patent/EP0124181B1/en not_active Expired - Lifetime
- 1984-05-02 JP JP59087928A patent/JPS605545A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4517225A (en) | 1985-05-14 |
| JPS605545A (ja) | 1985-01-12 |
| EP0124181A3 (en) | 1986-09-10 |
| EP0124181B1 (en) | 1990-08-16 |
| JPH0519819B2 (en, 2012) | 1993-03-17 |
| EP0124181A2 (en) | 1984-11-07 |
| DE3482970D1 (de) | 1990-09-20 |
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