KR100524090B1 - 적층형 ptc 서미스터의 제조방법 - Google Patents
적층형 ptc 서미스터의 제조방법 Download PDFInfo
- Publication number
- KR100524090B1 KR100524090B1 KR10-2003-0055337A KR20030055337A KR100524090B1 KR 100524090 B1 KR100524090 B1 KR 100524090B1 KR 20030055337 A KR20030055337 A KR 20030055337A KR 100524090 B1 KR100524090 B1 KR 100524090B1
- Authority
- KR
- South Korea
- Prior art keywords
- ceramic
- ptc thermistor
- ceramic body
- electrode
- internal electrode
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title description 17
- 239000000919 ceramic Substances 0.000 claims abstract description 97
- 239000004065 semiconductor Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000010304 firing Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 28
- 238000007747 plating Methods 0.000 description 14
- 239000000843 powder Substances 0.000 description 10
- 229910052759 nickel Inorganic materials 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 239000002003 electrode paste Substances 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 229910052755 nonmetal Inorganic materials 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010405 reoxidation reaction Methods 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/006—Apparatus or processes specially adapted for manufacturing resistors adapted for manufacturing resistor chips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/28—Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals
- H01C17/281—Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals by thick film techniques
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
- H01C7/021—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient formed as one or more layers or coatings
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
- C04B2235/6025—Tape casting, e.g. with a doctor blade
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Thermistors And Varistors (AREA)
Abstract
Description
시료번호 | 열처리온도(℃) | 경시변화율(%) | |||
98h | 263h | 507h | 1002h | ||
참고예 | - | 11.3 | 18.3 | 25.2 | 27.9 |
*1 | 40 | 7.2 | 10.9 | 14.0 | 15.8 |
*2 | 55 | 6.8 | 9.9 | 11.6 | 13.1 |
3 | 60 | 4.5 | 6.8 | 8.3 | 9.5 |
4 | 80 | 2.3 | 2.8 | 3.2 | 3.6 |
5 | 100 | 1.4 | 2.0 | 2.2 | 2.6 |
6 | 125 | 1.9 | 2.4 | 2.8 | 3.4 |
7 | 150 | 2.4 | 3.7 | 3.9 | 4.4 |
8 | 160 | 3.1 | 4.3 | 5.1 | 5.3 |
9 | 175 | 3.3 | 5.0 | 5.6 | 6.4 |
10 | 200 | 3.5 | 5.3 | 6.8 | 8.0 |
*11 | 205 | 5.7 | 12.2 | 14.4 | 18.3 |
*12 | 300 | 15.8 | 25.3 | 32.3 | 42.3 |
Claims (2)
- 내부전극과 정저항 온도 특성을 가지는 반도체 세라믹층을 교대로 적층하여 이루어지는 세라믹 소체에 외부전극이 형성되어 이루어지는 적층형 PTC 서미스터의 제조방법으로서,상기 내부전극이 되는 내부전극용 도전성 페이스트와 상기 반도체 세라믹층이 되는 세라믹 그린시트를 교대로 적층하여 적층체를 형성하는 제 1 공정;상기 적층체를 소성하여 세라믹 소체를 형성하고, 상기 세라믹 소체의 양 단면에 상기 외부전극을 형성하는 제 2 공정; 및상기 외부전극이 형성된 상기 세라믹 소체에 60℃ 이상 200℃ 이하의 열처리를 행하는 제 3 공정;을 구비하는 것을 특징으로 하는 적층형 PTC 서미스터의 제조방법.
- 제 1항에 있어서, 상기 제 3 공정에서 상기 외부전극이 형성된 상기 세라믹 소체에 80℃ 이상 150℃ 이하의 열처리를 행하는 것을 특징으로 하는 적층형 PTC 서미스터의 제조방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2002-00236075 | 2002-08-13 | ||
JP2002236075 | 2002-08-13 | ||
JP2003194486A JP4211510B2 (ja) | 2002-08-13 | 2003-07-09 | 積層型ptcサーミスタの製造方法 |
JPJP-P-2003-00194486 | 2003-07-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040015681A KR20040015681A (ko) | 2004-02-19 |
KR100524090B1 true KR100524090B1 (ko) | 2005-10-27 |
Family
ID=31719886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0055337A KR100524090B1 (ko) | 2002-08-13 | 2003-08-11 | 적층형 ptc 서미스터의 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6984543B2 (ko) |
JP (1) | JP4211510B2 (ko) |
KR (1) | KR100524090B1 (ko) |
CN (1) | CN1260742C (ko) |
TW (1) | TW200411680A (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100745494B1 (ko) * | 2003-02-21 | 2007-08-02 | 가부시키가이샤 무라타 세이사쿠쇼 | 적층형 세라믹 전자부품 및 그 제조방법 |
DE102004037588A1 (de) * | 2004-08-03 | 2006-02-23 | Epcos Ag | Elektrisches Bauelement und Verfahren zur Herstellung eines elektrischen Bauelements |
GB2422958B (en) * | 2005-02-04 | 2008-07-09 | Siemens Magnet Technology Ltd | Quench protection circuit for a superconducting magnet |
JP4710097B2 (ja) | 2005-09-20 | 2011-06-29 | 株式会社村田製作所 | 積層型正特性サーミスタ |
EP1939898B1 (en) | 2005-09-20 | 2018-04-25 | Murata Manufacturing Co., Ltd. | Multilayer positive temperature coefficient thermistor |
DE102006017796A1 (de) * | 2006-04-18 | 2007-10-25 | Epcos Ag | Elektrisches Kaltleiter-Bauelement |
TW200903527A (en) | 2007-03-19 | 2009-01-16 | Murata Manufacturing Co | Laminated positive temperature coefficient thermistor |
DE102007044453A1 (de) * | 2007-09-18 | 2009-03-26 | Epcos Ag | Elektrisches Vielschichtbauelement |
DE102007046607A1 (de) * | 2007-09-28 | 2009-04-02 | Epcos Ag | Elektrisches Vielschichtbauelement sowie Verfahren zur Herstellung eines elektrischen Vielschichtbauelements |
JP5844507B2 (ja) | 2008-03-19 | 2016-01-20 | 日立金属株式会社 | 半導体磁器組成物の製造方法及び半導体磁器組成物を用いたヒータ |
JP5590494B2 (ja) * | 2008-03-27 | 2014-09-17 | 日立金属株式会社 | 半導体磁器組成物−電極接合体の製造方法 |
JP2009277715A (ja) * | 2008-05-12 | 2009-11-26 | Murata Mfg Co Ltd | 積層セラミック電子部品およびその製造方法 |
JP6134507B2 (ja) | 2011-12-28 | 2017-05-24 | ローム株式会社 | チップ抵抗器およびその製造方法 |
WO2016125520A1 (ja) * | 2015-02-06 | 2016-08-11 | 株式会社村田製作所 | 半導体素子およびその製造方法 |
JP6778535B2 (ja) * | 2016-07-25 | 2020-11-04 | 太陽誘電株式会社 | 積層セラミックコンデンサ |
JP6841611B2 (ja) * | 2016-07-25 | 2021-03-10 | 太陽誘電株式会社 | 積層セラミックコンデンサ |
CN112857605B (zh) * | 2021-01-05 | 2021-12-31 | 电子科技大学 | 温度传感器及其应用和制备温度感知模块的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010102536A (ko) * | 1999-03-08 | 2001-11-15 | 마츠시타 덴끼 산교 가부시키가이샤 | 칩형 ptc 서미스터 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5331553B2 (ko) | 1973-07-26 | 1978-09-02 | ||
JPH04206603A (ja) | 1990-11-30 | 1992-07-28 | Komatsu Ltd | 正特性サーミスタの製造方法 |
JP3141642B2 (ja) * | 1993-09-06 | 2001-03-05 | 松下電器産業株式会社 | 正特性サーミスタの製造方法 |
JPH11233305A (ja) | 1998-02-16 | 1999-08-27 | Matsushita Electric Ind Co Ltd | Ptcサーミスタ薄膜素子 |
JPH11297508A (ja) | 1998-04-09 | 1999-10-29 | Matsushita Electric Ind Co Ltd | 積層型セラミック電子部品 |
JP3736602B2 (ja) * | 1999-04-01 | 2006-01-18 | 株式会社村田製作所 | チップ型サーミスタ |
JP4200765B2 (ja) * | 2002-02-28 | 2008-12-24 | 株式会社村田製作所 | 積層型セラミック電子部品の製造方法 |
-
2003
- 2003-07-09 JP JP2003194486A patent/JP4211510B2/ja not_active Expired - Lifetime
- 2003-08-08 TW TW092121855A patent/TW200411680A/zh unknown
- 2003-08-11 CN CNB031530931A patent/CN1260742C/zh not_active Expired - Lifetime
- 2003-08-11 KR KR10-2003-0055337A patent/KR100524090B1/ko active IP Right Grant
- 2003-08-13 US US10/639,483 patent/US6984543B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010102536A (ko) * | 1999-03-08 | 2001-11-15 | 마츠시타 덴끼 산교 가부시키가이샤 | 칩형 ptc 서미스터 |
Also Published As
Publication number | Publication date |
---|---|
JP4211510B2 (ja) | 2009-01-21 |
US20040033629A1 (en) | 2004-02-19 |
CN1482628A (zh) | 2004-03-17 |
CN1260742C (zh) | 2006-06-21 |
TW200411680A (en) | 2004-07-01 |
US6984543B2 (en) | 2006-01-10 |
KR20040015681A (ko) | 2004-02-19 |
JP2004134744A (ja) | 2004-04-30 |
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