KR101001875B1 - 등방성 에칭을 이용한 미세 패턴 형성방법 및 이를 이용하여 제조된 미세패턴이 형성된 반도체 기판 면상 부재 - Google Patents
등방성 에칭을 이용한 미세 패턴 형성방법 및 이를 이용하여 제조된 미세패턴이 형성된 반도체 기판 면상 부재 Download PDFInfo
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- KR101001875B1 KR101001875B1 KR1020060096735A KR20060096735A KR101001875B1 KR 101001875 B1 KR101001875 B1 KR 101001875B1 KR 1020060096735 A KR1020060096735 A KR 1020060096735A KR 20060096735 A KR20060096735 A KR 20060096735A KR 101001875 B1 KR101001875 B1 KR 101001875B1
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- layer
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- isotropic etching
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- 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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
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- 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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
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- 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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- 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
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32134—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by liquid etching only
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/061—Etching masks
- H05K3/064—Photoresists
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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
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/05—Patterning and lithography; Masks; Details of resist
- H05K2203/0562—Details of resist
- H05K2203/0597—Resist applied over the edges or sides of conductors, e.g. for protection during etching or plating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/14—Related to the order of processing steps
- H05K2203/1476—Same or similar kind of process performed in phases, e.g. coarse patterning followed by fine patterning
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Wire Bonding (AREA)
- ing And Chemical Polishing (AREA)
- Weting (AREA)
Abstract
Description
Claims (10)
- 반도체기판에 피식각층을 형성하고, 상기 피식각층의 상부에 포토레지스트층을 코팅하는 단계;상기 포토레지스트층이 코팅된 피식각층에 리소그라피를 수행하고, 상기 리소그라피에 의해 생성된 포토레지스트 패턴을 포함하는 피식각층에 제 1 등방성 에칭을 수행하되, 상기 포토레지스트층과 접한 상기 피식각층의 상부로부터 피식각층 두께의 10% 이상 제 1 등방성 에칭을 수행하는 단계;상기 포토레지스트 패턴을 포함하는 피식각층의 상부에 패시베이션층을 용착하는 단계;상기 용착된 패시베이션층 중 상기 제 1 등방성 에칭된 소정의 부분의 상기 패시베이션층을, 상기 포토레지스트층을 에칭 마스크로 사용하여 에칭함으로써 제거하는 단계; 및상기 패시베이션층이 제거된 소정의 부분에 제 2 등방성 에칭을 수행하는 단계를 포함하는 등방성 에칭을 이용한 미세 패턴 형성방법.
- 제 1 항에 있어서,상기 패시베이션층을 용착하는 단계는,상기 제 1 등방성 에칭된 부분에 패시베이션층을 용착하는 것을 특징으로 하는 등방성 에칭을 이용한 미세 패턴 형성방법.
- 제 1 항에 있어서,상기 반도체 기판은 폴리이미드 필름을 포함하는 것을 특징으로 하는 등방성 에칭을 이용한 미세 패턴 형성 방법.
- 제 1 항에 있어서,상기 제 1 등방성 에칭을 수행하는 단계는,상기 포토레지스트층과 접한 상기 피식각층의 상부로부터 피식각층 두께의 10% 내지 50%의 범위까지 제 1 등방성 에칭을 수행하는 것을 특징으로 하는 등방성 에칭을 이용한 미세 패턴 형성 방법.
- 제 1 항에 있어서,상기 피식각층은,금속층, 절연막 또는 도전막 중 적어도 어느 하나를 포함하는 것을 특징으로 하는 등방성 에칭을 이용한 미세 패턴 형성 방법.
- 제 1 항에 있어서,상기 소정의 부분은 상기 포토레지스트 패턴에 형성된 트렌치 폭에 대응되는 부분인 것을 특징으로 하는 등방성 에칭을 이용한 미세 패턴 형성 방법.
- 제 1 항에 있어서,상기 포토레지스트층은 화학증폭형 포토레지스트층인 것을 특징으로 하는 등 방성 에칭을 이용한 미세 패턴 형성 방법.
- 제 1 항에 있어서,상기 포토레지스트층의 두께는 1㎛이상 4㎛이하인 것을 특징으로 하는 등방성 에칭을 이용한 미세 패턴 형성 방법.
- 반도체 기판; 및상기 반도체 기판상에 형성된 내부 리드를 포함하되,상기 내부 리드의 상부폭/하부폭의 비율은 40% 이상인 미세패턴이 형성된 반도체 기판 면상 부재
- 제 9항에 있어서,상기 내부 리드의 상부폭/하부폭의 비율은 40% 이상 90% 이하인 미세패턴이 형성된 반도체 기판 면상 부재
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060096735A KR101001875B1 (ko) | 2006-09-30 | 2006-09-30 | 등방성 에칭을 이용한 미세 패턴 형성방법 및 이를 이용하여 제조된 미세패턴이 형성된 반도체 기판 면상 부재 |
US12/442,607 US8486838B2 (en) | 2006-09-30 | 2007-09-20 | Method for forming a fine pattern using isotropic etching |
CNA2007800365121A CN101523568A (zh) | 2006-09-30 | 2007-09-20 | 用各向同性蚀刻来形成精细图案的方法 |
PCT/KR2007/004592 WO2008038947A1 (en) | 2006-09-30 | 2007-09-20 | Method for forming a fine pattern using isotropic etching |
JP2009530262A JP2010506385A (ja) | 2006-09-30 | 2007-09-20 | 等方性エッチングを用いた微細パターン形成方法 |
CN2010102323911A CN101908518A (zh) | 2006-09-30 | 2007-09-20 | 半导体板构件 |
US13/917,207 US9209108B2 (en) | 2006-09-30 | 2013-06-13 | Method for forming a fine pattern using isotropic etching |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020060096735A KR101001875B1 (ko) | 2006-09-30 | 2006-09-30 | 등방성 에칭을 이용한 미세 패턴 형성방법 및 이를 이용하여 제조된 미세패턴이 형성된 반도체 기판 면상 부재 |
Publications (2)
Publication Number | Publication Date |
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KR20080030396A KR20080030396A (ko) | 2008-04-04 |
KR101001875B1 true KR101001875B1 (ko) | 2010-12-17 |
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Country Status (5)
Country | Link |
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US (2) | US8486838B2 (ko) |
JP (1) | JP2010506385A (ko) |
KR (1) | KR101001875B1 (ko) |
CN (2) | CN101523568A (ko) |
WO (1) | WO2008038947A1 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101674538B1 (ko) * | 2011-03-24 | 2016-11-09 | 해성디에스 주식회사 | 금속 패턴 형성 방법 |
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US9209108B2 (en) | 2015-12-08 |
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WO2008038947A1 (en) | 2008-04-03 |
US20100041237A1 (en) | 2010-02-18 |
JP2010506385A (ja) | 2010-02-25 |
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US20130299964A1 (en) | 2013-11-14 |
KR20080030396A (ko) | 2008-04-04 |
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