JP4506756B2 - 抵抗ペースト、その製造方法及び可変抵抗器 - Google Patents
抵抗ペースト、その製造方法及び可変抵抗器 Download PDFInfo
- Publication number
- JP4506756B2 JP4506756B2 JP2006535107A JP2006535107A JP4506756B2 JP 4506756 B2 JP4506756 B2 JP 4506756B2 JP 2006535107 A JP2006535107 A JP 2006535107A JP 2006535107 A JP2006535107 A JP 2006535107A JP 4506756 B2 JP4506756 B2 JP 4506756B2
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- Japan
- Prior art keywords
- phenol resin
- resistor
- resin
- novolac
- added
- 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 - Fee Related
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- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title 1
- 239000005011 phenolic resin Substances 0.000 claims description 67
- 229920003986 novolac Polymers 0.000 claims description 35
- 229920003987 resole Polymers 0.000 claims description 32
- 239000000758 substrate Substances 0.000 claims description 27
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 238000004898 kneading Methods 0.000 claims description 20
- 229920001568 phenolic resin Polymers 0.000 claims description 18
- 239000011231 conductive filler Substances 0.000 claims description 16
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 239000006229 carbon black Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 238000001879 gelation Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000004312 hexamethylene tetramine Substances 0.000 description 2
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011134 resol-type phenolic resin Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
- H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
- H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
- H01C17/06573—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the permanent binder
- H01C17/06586—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the permanent binder composed of organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/305—Adjustable resistors the contact sliding along resistive element consisting of a thick film
- H01C10/306—Polymer thick film, i.e. PTF
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/32—Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
- Non-Adjustable Resistors (AREA)
- Conductive Materials (AREA)
Description
15…抵抗体
35…摺動子
Claims (6)
- 導電性フィラーと、硬化剤未添加のノボラック系フェノール樹脂と、レゾール系フェノール樹脂とを含有してなり、前記レゾール系フェノール樹脂は前記ノボラック系フェノール樹脂以上の含有量であり、
前記導電性フィラーを35〜62wt%、前記ノボラック系フェノール樹脂を6〜38wt%、前記レゾール系フェノール樹脂を12〜47wt%含有していること、
を特徴とする抵抗ペースト。 - 前記導電性フィラーは、カーボンブラックと黒鉛であることを特徴とする請求項1に記載の抵抗ペースト。
- フィラーと硬化剤未添加のノボラック系フェノール樹脂とを該樹脂の軟化点又は融点以上の温度で混練する工程と、
前記混練物が室温付近に冷却した後に、混練時に添加した前記ノボラック系フェノール樹脂以上の量のレゾール系フェノール樹脂及び溶剤を添加して混合する工程と、
を備えたことを特徴とするペーストの製造方法。 - 導電性フィラーと硬化剤未添加のノボラック系フェノール樹脂とを該樹脂の軟化点又は融点以上の温度で混練する工程と、
前記混練物が室温付近に冷却した後に、混練時に添加した前記ノボラック系フェノール樹脂以上の量のレゾール系フェノール樹脂及び溶剤を添加して混合する工程と、
を備えたことを特徴とする抵抗ペーストの製造方法。 - 前記導電性フィラーとして、カーボンブラックと黒鉛とを用いることを特徴とする請求項4に記載の抵抗ペーストの製造方法。
- 基板の主面に配設された抵抗体と、該抵抗体上を摺動する摺動子とを備えてなり、前記抵抗体が請求項1又は請求項2に記載の抵抗ペーストの硬化物からなることを特徴とする可変抵抗器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004259436 | 2004-09-07 | ||
JP2004259436 | 2004-09-07 | ||
PCT/JP2005/015345 WO2006027954A1 (ja) | 2004-09-07 | 2005-08-24 | ペースト、抵抗ペースト、それらの製造方法及び可変抵抗器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2006027954A1 JPWO2006027954A1 (ja) | 2008-05-08 |
JP4506756B2 true JP4506756B2 (ja) | 2010-07-21 |
Family
ID=36036242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006535107A Expired - Fee Related JP4506756B2 (ja) | 2004-09-07 | 2005-08-24 | 抵抗ペースト、その製造方法及び可変抵抗器 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4506756B2 (ja) |
CN (1) | CN101053045B (ja) |
WO (1) | WO2006027954A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101354233B (zh) * | 2008-08-04 | 2010-06-02 | 宁波市北仑机械电器有限公司 | 一体多联角度传感器 |
CN102184764B (zh) * | 2011-03-16 | 2012-10-10 | 宁波宏韵电子有限公司 | 一种全塑封电位器 |
CN105629027A (zh) * | 2014-10-31 | 2016-06-01 | 北京精密机电控制设备研究所 | 一种高可靠高耐磨导电塑料电位计 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08236319A (ja) * | 1995-02-24 | 1996-09-13 | Tokyo Cosmos Electric Co Ltd | 抵抗ペースト |
JPH0912840A (ja) * | 1995-06-27 | 1997-01-14 | Sumitomo Bakelite Co Ltd | フェノール樹脂成形材料 |
JP2001043735A (ja) * | 1999-08-02 | 2001-02-16 | Alps Electric Co Ltd | 導電性樹脂組成物及びそれを用いたエンコーダスイッチ |
JP2002222701A (ja) * | 2001-01-25 | 2002-08-09 | Matsushita Electric Ind Co Ltd | チップ状電子部品およびチップ抵抗器 |
JP2002231051A (ja) * | 2001-02-05 | 2002-08-16 | Toray Ind Inc | 導電性樹脂組成物およびその成形品 |
-
2005
- 2005-08-24 CN CN2005800375923A patent/CN101053045B/zh not_active Expired - Fee Related
- 2005-08-24 JP JP2006535107A patent/JP4506756B2/ja not_active Expired - Fee Related
- 2005-08-24 WO PCT/JP2005/015345 patent/WO2006027954A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08236319A (ja) * | 1995-02-24 | 1996-09-13 | Tokyo Cosmos Electric Co Ltd | 抵抗ペースト |
JPH0912840A (ja) * | 1995-06-27 | 1997-01-14 | Sumitomo Bakelite Co Ltd | フェノール樹脂成形材料 |
JP2001043735A (ja) * | 1999-08-02 | 2001-02-16 | Alps Electric Co Ltd | 導電性樹脂組成物及びそれを用いたエンコーダスイッチ |
JP2002222701A (ja) * | 2001-01-25 | 2002-08-09 | Matsushita Electric Ind Co Ltd | チップ状電子部品およびチップ抵抗器 |
JP2002231051A (ja) * | 2001-02-05 | 2002-08-16 | Toray Ind Inc | 導電性樹脂組成物およびその成形品 |
Also Published As
Publication number | Publication date |
---|---|
CN101053045A (zh) | 2007-10-10 |
WO2006027954A1 (ja) | 2006-03-16 |
CN101053045B (zh) | 2010-05-12 |
JPWO2006027954A1 (ja) | 2008-05-08 |
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