KR100583277B1 - 투명 도전성 필름 롤 및 그 제조 방법, 그것을 이용한터치 패널, 및 비접촉식 표면저항 측정장치 - Google Patents
투명 도전성 필름 롤 및 그 제조 방법, 그것을 이용한터치 패널, 및 비접촉식 표면저항 측정장치 Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
-
- 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
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- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Human Computer Interaction (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing Of Electric Cables (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Non-Insulated Conductors (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
Claims (17)
- 적어도 한 면에 투명 도전막을 가지는 플라스틱 필름을 롤 형상으로 권취한, 폭 300 내지 1300 mm이고 길이 10 내지 1000 m의 투명 도전성 필름 롤이며, 상기 투명 도전성 필름 롤을 폭 방향에 대해 중앙 위치 및 좌우의 단부로부터 25 내지 100 mm의 임의의 위치에서, 또한 길이 방향으로 전체 길이에 대해서 10 분의 1의 길이 피치에서 합계 33 점의 상기 투명 도전막의 표면저항(Ω/□)을 측정하였을 때에, 아래와 같이 식 (1)에서 정의되는 표면저항의 분포 균일도 D가 0.20 이하인 것을 특징으로 하는 투명 도전성 필름 롤.D = (Rmax - Rmin) / (Rmax + Rmin) … (1)상기 식에서, 33 점의 표면저항 측정치에 있어서, Rmax는 최대치를, Rmin은 최소치를 의미한다.
- 제1항에 있어서, 상기 플라스틱 필름은 두께가 10 내지 300 ㎛인 것을 특징으로 하는 투명 도전성 필름 롤.
- 제1항에 있어서, 상기 플라스틱 필름과 상기 투명 도전막과의 사이에 경화형 수지 경화물층 또는 무기 박막층을 구비한 것을 특징으로 하는 투명 도전성 필름 롤.
- 제1항에 있어서, 상기 투명 도전막은, 인듐-주석 복합 산화물 또는 주석-안티몬 복합 산화물로 구성된 것을 특징으로 하는 투명 도전성 필름 롤.
- 제1항에 있어서, 상기 투명 도전막은, 막 두께가 4 내지 800 nm인 것을 특징으로 하는 투명 도전성 필름 롤.
- 투명 도전막을 가지는 한 벌의 패널판을, 투명 도전막이 대향하도록 스페이서를 개입시켜 배치하여 이루어진 터치 패널이며, 적어도 한편의 패널판이 청구항 1에 기재된 투명 도전성 필름 롤을 재단하여 얻은 투명 도전성 필름인 것을 특징으로 하는 터치 패널.
- 삭제
- 삭제
- 삭제
- 삭제
- 투명 도전막2에 설정 간격을 띄워서 대향시켜 그 투명 도전막2에 와전류를 흘리는 와전류 발생부3A, 상기 투명 도전막2에 흐르는 와전류를 상기 투명 도전막2와는 떨어진 상태에서 검출하는 와전류 검출부3B, 상기 와전류 발생부3A 혹은 와전류 검출부3B의 온도를 검출하는 온도 센서4A, 및 상기 와전류 발생부3A에 인가하는 전압을 일정하게 한 상태에서 상기 와전류 검출부3B의 검출 결과 및 상기 온도 센서4A의 검출 결과에 근거하여 상기 투명 도전막2의 표면저항을 산출하는 산출 수단7로 주로 구성되고, 상기 산출 수단7은 상기 온도 센서4A의 검출 결과가 기준 온도로부터 벗어났을 경우, 상기 기준 온도로부터 벗어난 것에 기인하는 와전류의 증감량을 구하는 것과 동시에 상기 와전류의 증감량을 상기 와전류 검출부3B의 검출 결과로부터 줄이거나 더하는 보정을 실시하고, 그 보정한 와전류의 값에 근거하여 상기 투명 도전막2의 표면저항을 산출하는 것을 특징으로 하는 비접촉식 표면저항 측정장치.
- 제11항에 있어서, 상기 온도 센서4A의 수가 상기 와전류 발생부3A의 수보다 적은 것을 특징으로 하는 비접촉식 표면저항 측정장치.
- 제11항에 있어서, 상기 비접촉식 표면저항 측정장치는 이격거리센서4B를 더 구비하고, 상기 산출수단은 표면저항과 이격거리와의 관계의 교정곡선에 근거하여 상기 산출결과를 더 보정하는 것을 특징으로 하는 비접촉식 표면저항 측정장치.
- 제13항에 있어서, 와전류 발생부3A, 와전류 검출부3B, 온도 센서4A, 및 이격거리센서4B를 일체로 설치한 구성으로 이루어지는 것을 특징으로 하는 비접촉식 표면저항 측정장치.
- 플라스틱 필름 롤로부터 플라스틱 필름(기재필름)을 권출하는 공정, 권출한 기재필름의 적어도 한 면에 권취식 성막장치를 이용하여 투명 도전막을 형성시켜 투명 도전성 필름을 제조하는 공정, 얻어진 투명 도전성 필름을 롤 형태로 권취하는 공정으로부터 얻어지는, 폭 300 - 1300mm이고 길이 10 - 1000m의 투명 도전성 필름 롤의 제조방법에 있어서,상기 권취식 성막 장치는 해당 장치내에 청구항 11에 기재된 비접촉식 표면저항 측정장치를 가지고, 투명 도전막을 형성하면서 인 라인으로 연속적으로 투명 도전막의 표면저항을 상기 필름의 길이 방향 및 폭 방향의 각각 복수 위치에서 측정하여, 표면저항의 분포가 일정하게 되도록 도전막의 성막 조건을 제어하는 것을 특징으로 투명 도전성 필름 롤의 제조 방법.
- 제15항에 있어서, 상기 비접촉식 표면저항 측정장치가 필름 폭 방향으로 복수개 배설하여 이루어지는 것을 특징으로 하는 투명 도전성 필름 롤의 제조 방법.
- 제15항에 있어서, 상기 비접촉식 표면저항 측정장치가 필름 폭 방향으로 연속적으로 왕복하는 것을 특징으로 하는 투명 도전성 필름 롤의 제조 방법.
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JPJP-P-2001-00319735 | 2001-10-17 | ||
PCT/JP2002/005871 WO2003001539A1 (en) | 2001-06-21 | 2002-06-13 | Transparent conductive film roll and production method thereof, touch panel using it, and non-contact surface resistance measuring device |
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KR (1) | KR100583277B1 (ko) |
CN (1) | CN1269142C (ko) |
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EP1872940A4 (en) * | 2005-04-20 | 2008-12-10 | Toyo Boseki | ADHESIVE SHEET, METAL LAMINATED SHEET AND PRINTED CIRCUIT BOARD |
EP1892609A4 (en) * | 2005-05-26 | 2013-03-27 | Gunze Kk | TRANSPARENT PLANAR BODY AND TRANSPARENT TOUCH SWITCH |
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US20040246238A1 (en) | 2004-12-09 |
CN1531736A (zh) | 2004-09-22 |
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US7436190B2 (en) | 2008-10-14 |
TW589646B (en) | 2004-06-01 |
WO2003001539A1 (en) | 2003-01-03 |
US7812623B2 (en) | 2010-10-12 |
US20090039878A1 (en) | 2009-02-12 |
KR20040012895A (ko) | 2004-02-11 |
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