KR0129118B1 - 부식이 감소된 리드 프레임 및 이의 제조 방법 - Google Patents
부식이 감소된 리드 프레임 및 이의 제조 방법Info
- Publication number
- KR0129118B1 KR0129118B1 KR1019890003825A KR890003825A KR0129118B1 KR 0129118 B1 KR0129118 B1 KR 0129118B1 KR 1019890003825 A KR1019890003825 A KR 1019890003825A KR 890003825 A KR890003825 A KR 890003825A KR 0129118 B1 KR0129118 B1 KR 0129118B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- standard reduction
- palladium
- reduction potential
- lead frame
- Prior art date
Links
- 238000005260 corrosion Methods 0.000 title claims description 29
- 230000007797 corrosion Effects 0.000 title claims description 29
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 98
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 72
- 239000000463 material Substances 0.000 claims description 49
- 229910052759 nickel Inorganic materials 0.000 claims description 36
- 229910052763 palladium Inorganic materials 0.000 claims description 32
- 229910001252 Pd alloy Inorganic materials 0.000 claims description 23
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims 14
- 239000002184 metal Substances 0.000 claims 14
- 238000000926 separation method Methods 0.000 claims 14
- 238000000034 method Methods 0.000 claims 11
- 229910000881 Cu alloy Inorganic materials 0.000 claims 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims 2
- 229910052741 iridium Inorganic materials 0.000 claims 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims 2
- 229910052762 osmium Inorganic materials 0.000 claims 2
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims 2
- 229910052707 ruthenium Inorganic materials 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 61
- 239000000047 product Substances 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910001431 copper ion Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 150000004763 sulfides Chemical class 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L2924/01—Chemical elements
- H01L2924/01079—Gold [Au]
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- 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
- H01L2924/013—Alloys
- H01L2924/014—Solder alloys
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- 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
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/14—Integrated circuits
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- 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
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- 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
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- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/929—Electrical contact feature
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- 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
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- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12875—Platinum group metal-base component
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- 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
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- Y10T428/12—All metal or with adjacent metals
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- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12903—Cu-base component
- Y10T428/1291—Next to Co-, Cu-, or Ni-base component
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
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- Y10T428/12944—Ni-base component
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- Electroplating Methods And Accessories (AREA)
Abstract
Description
Claims (32)
- 집적 회로를 전기적으로 접촉시키기 위한 내부식성 리드 프레임에 있어서, 제 1표준 환원 전위를 갖는 모재층, 상기 모재층 상에 배치되고 상기 제 1표준 환원 전위보다 제 2 표준 환원 전위를 갖는 본리층, 상기 분리층 상에 배치되고 상기 제 1 및 제 2 표준 환원 전위보다 작은 제 3 표준 환원 전위를 갖는 금속 상부층을 포함하는 것을 특징으로 하는 집적 회로의 전기 접촉용 내부식성 리드 프레임.
- 제 1 항에 있어서, 상기 모재충이 구리 및 구리 합금을 이루어진 군으로부터 선택된 한 물질로 구성되는 것을 특징으로 하는 집적 회로의 전기 접촉용 내부식성 리드 프레임.
- 제 1 항에 있어서, 상기 분리층이 팔라듐 및 팔라듐 합금으로 이루어진 군으로부터 선택된 한 물질로 구성되는 것을 특징으로 하는 집적 회로의 전기 접촉용 내부식성 리드 프레임.
- 제 1 항에 있어서, 상기 분리층의 두께가 3 마이크로인치(7.62 마이크로미터) 이하인 것을 특징으로 하는 집적 회로의 전기 접촉용 내부식성 리드 프레임.
- 제 3 항에 있어서, 상기 중간층이 니켈 및 니켈 합금으로 이루어진 군으로부터 선택된 한 물질로 구성되는 것을 특징으로 하는 집적 회로의 전기 접촉용 내부식성 리드 프레임.
- 제 1 항에 있어서, 상기 금속 상부층이 팔라듐, 오스뮴(osmium), 루테늄(ruthenium), 이리듐(iridium)으로 이루어진 군으로부터 선택된 한 물질로 구성되는 것을 특징으로 하는 집적 회로의 전기 접촉용 내부식성 리드 프레임.
- 제 1 항에 있어서, 상기 금속 상부층이 팔라듐 및 팔라듐 합금으로 이루어진 군으로부터 선택된 금속으로 구성되는 것을 특징으로 하는 집적 회로의 전기 접촉용 내부식성 리드 프레임.
- 제 7 항에 있어서, 상기 금속 모재층이 구리인 것을 특징으로 하는 내부식겅 리드프레임.
- 제 1 표준 환원 전위를 갖는 모재층, 상기 모재층 상에 배치되고 상기 제 1 표준 환원 전위보다 작은 제 2 표준 환원 전위를 갖는 스트라이크층, 상기 스트라이크층 상에 배치되고 상기 제 1 표준 환원 전위보다 큰 제 3 표준 환원 전위를 갖는 분리층, 상기 분리층 상에 배치되고 상기 제 3 표준 환원 전위보다 작은 제 4 표준 환원 전위를 갖는 중간층, 및 상기 중간층 상에 배치되고 상기 제 3표준 환원 전위와 실제로 동일한 표준 환원 전위를 갖는 금속상부층을 포함하는 것을 특징으로 집접 회로용 내부시성 리드 프레임.
- 제 9 항에 있어서, 상기 모재층이 구리 및 구리 합금으로 이루어진 군으로부터 선택된 한 물질로 구성되는 것을 특징으로 하는 집적 회로용 내부식성 리드 프레임.
- 제10항에 있어서, 상기 분리층이 팔라듐 및 팔라듐 합금으로 이루어진 군으로부터 선택된 한 물질로 구성되는 것을 특징으로 하는 집적 회로용 내부식성 리드 프레임.
- 제11항에 있어서, 상기 중간층이 니켈 및 니켈 합금으로 이루어진 군으로부터 선택된 한 물질로 구성되는 것을 특징으로 하는 집적 회로용 내부식성 리드 프레임.
- 제12항에 있어서, 상기 금속 상부층이 팔라듐, 오스뮴, 루테늄 및 이리듐으로 이루어진 군으로부터 선택된 한 물질로 구성되는 것을 특징으로 하는 집적 회로용 내부식성 리드 프레임.
- 제 11항에 있어서, 상기 금속 상부층이 팔라듐으로 구성되는 것을 특징으로 하는 집적 회로용 내부식성 리드 프레임.
- 제 9 항에 있어서, 상기 금속 상부층이 팔라듐으로 구성되는 것을 특징으로 하는 집적 회로용 내부식성 리드 프레임.
- 제12항에 있어서, 상기 분리층이 두께가 3마이크로인치(7.62마이크로미터) 이하인 것을 특징으로 하는 집적 회로용 내부식성 리드 프레임.
- 제12항에 있어서, 상기 스트라이크층이 니켈 및 니켈합금으로 이루어진 군으로부터 선택된 한 물질로 구성되는 것을 특징으로 하는 집적 회로용 내부식성 리드 프레임.
- 제12항에 있어서, 상기 스트라이크층의 두께가 5마이크로인치(12.7마이크로미터) 이하인 것을 특징으로 하는 집적 회로용 내부식성 리드 프레임.
- 제15항에 있어서, 상기 스트라이크층의 두께가 5마이크로인치(12.7마이크로미터) 이하인 것을 특징으로 하는 집적 회로용 내부식성 리드 프레임.
- 제 1 표준 환원 전위를 갖는 모재층을 제공하는 단계, 상기 제 1 표준 환원 전위보다 큰 제 2표준 환원 전위를 갖는 분리층을 상기 모재층 상에 배치하는 단계, 상기 제 1 표준 환원 전위보다 작은 제 3 표준 환원 전위를 갖는 중간층을 상기 분리층 상에 배치하는 단계, 및 상기 제 2 표준 환원 전위와 실제로 동일한 표준 환원 전위를 갖는 금속 상부층을 상기 중간층 상에 배치하는 단계를 포함하는 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제20항에 있어서, 상기 모재층을 제공하는 단계가 구리 및 구리 합금으로 이루어진 군으로부터 선택된 한 물질로 구성된 금속층을 제공하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제21항에 있어서, 상기 분리층을 배치하는 단계가 팔라듐 및 팔라듐 합금으로 이루어진 군으로부터 선택된 한 물질을 제공하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제22항에 있어서, 상기 중간층을 배치하는 단계가 니켈 및 니켈 합금으로 이루어진 군으로부터 선택된 한 물질을 제공하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제23항에 있어서, 상기 금속 상부층을 배치하는 단계가 팔라듐 및 팔라듐 합금으로 이루어진 군으로부터 선택된 한 물질을 제공하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제 1 표준 환원 전위를 갖는 모재층을 제공하는 단계, 상기 제 1 표준 환원 전위보다 작은 제 2 표준 환원 전위를 갖는 스트라이크층을 상기 모재층 상에 배치하는 단계, 상기 제 1 및 제 2 표준 환원 전위보다 큰 제 3표준 환원 전위를 갖는 분리층을 상기 스트라이크층 상에 배치하는 단계, 상기 제1 및 제3 표준 환원 전위보다 작은 제 4표준 환원 전위를 갖는 중간층을 상기 분리층 상에 배치하는 단계, 및 상기 전 3표준 환원 전위와 동일한 표준 환원 전위를 갖는 금속 상부층을 상기 중간층 상에 배치하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제25항에 있어서, 상기 모재층을 제공하는 단계가 구리 및 구리 합금으로 이루어진 군으로부터 선택된 한 물질을 제공하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제26항에 있어서, 상기 스트라이크층을 배치하는 단계가 니켈 및 니켈 합금으로 이루어진 군으로부터 선택된 한 물질을 제공하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제27항에 있어서, 상기 분리층을 배치하는 단계가 팔라듐 및 팔라듐 합금으로 이루어진 군으로부터 선택된 한 물질을 제공하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제28항에 있어서, 상기 중간층을 배치하는 단계가 니켈 및 니켈 합금으로 이루어진 군으로부터 선택된 한 물질을 제공하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제29항에 있어서, 상기 금속 상부층을 배치하는 단계가 팔라듐 및 팔라듐 합금으로 이루어진 군으로부터 선택된 한 물질을 제공하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제25항에 있어서, 상기 스트라이크층을 배치하는 단계가 두께가 5마이크로인치 이하인 층을 제공하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
- 제 25항에 있어서, 상기 분리층을 배치하는 단계가 3마이크로미터 이하인 층을 제공하는 단계를 포함하는 것을 특징으로 하는 집적 회로용 리드 프레임 생성 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US17406088A | 1988-03-28 | 1988-03-28 | |
US174060 | 1988-03-28 | ||
US174,060 | 1988-03-28 |
Publications (2)
Publication Number | Publication Date |
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KR890015394A KR890015394A (ko) | 1989-10-30 |
KR0129118B1 true KR0129118B1 (ko) | 1998-04-06 |
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KR1019890003825A KR0129118B1 (ko) | 1988-03-28 | 1989-03-27 | 부식이 감소된 리드 프레임 및 이의 제조 방법 |
Country Status (5)
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US (1) | US6245448B1 (ko) |
EP (1) | EP0335608B1 (ko) |
JP (1) | JPH0242753A (ko) |
KR (1) | KR0129118B1 (ko) |
DE (1) | DE68923024T2 (ko) |
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KR100419981B1 (ko) * | 2001-04-04 | 2004-03-04 | 이규한 | 반도체 실장기판의 적층 구조 |
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JP2570911B2 (ja) * | 1990-02-26 | 1997-01-16 | 株式会社日立製作所 | 半導体パッケージ及びそれに用いるリードフレーム |
EP0537982A2 (en) * | 1991-10-14 | 1993-04-21 | Fujitsu Limited | Semiconductor device having improved leads |
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- 1989-03-23 DE DE68923024T patent/DE68923024T2/de not_active Expired - Lifetime
- 1989-03-27 KR KR1019890003825A patent/KR0129118B1/ko not_active IP Right Cessation
- 1989-03-27 JP JP1074799A patent/JPH0242753A/ja active Pending
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1994
- 1994-02-02 US US08/190,729 patent/US6245448B1/en not_active Expired - Lifetime
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KR100419981B1 (ko) * | 2001-04-04 | 2004-03-04 | 이규한 | 반도체 실장기판의 적층 구조 |
Also Published As
Publication number | Publication date |
---|---|
EP0335608A2 (en) | 1989-10-04 |
KR890015394A (ko) | 1989-10-30 |
EP0335608B1 (en) | 1995-06-14 |
JPH0242753A (ja) | 1990-02-13 |
US6245448B1 (en) | 2001-06-12 |
EP0335608A3 (en) | 1991-10-30 |
DE68923024T2 (de) | 1995-11-02 |
DE68923024D1 (de) | 1995-07-20 |
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