WO2004061886A1 - 保護素子 - Google Patents
保護素子 Download PDFInfo
- Publication number
- WO2004061886A1 WO2004061886A1 PCT/JP2003/015604 JP0315604W WO2004061886A1 WO 2004061886 A1 WO2004061886 A1 WO 2004061886A1 JP 0315604 W JP0315604 W JP 0315604W WO 2004061886 A1 WO2004061886 A1 WO 2004061886A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- low
- melting
- point metal
- metal body
- electrodes
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/046—Fuses formed as printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/46—Circuit arrangements not adapted to a particular application of the protective device
- H01H2085/466—Circuit arrangements not adapted to a particular application of the protective device with remote controlled forced fusing
Definitions
- the heating element is disclosed by energizing the heating element when an abnormality occurs.
- the present invention relates to a protection element that is heated and melts a low melting point metal body.
- a current fuse made of a low-melting-point metal body such as lead, tin, and antimony has been widely known.
- a protection element that can be used to prevent not only overcurrent but also overvoltage
- a heating element, an insulating layer, and a low-melting metal body are sequentially laminated on a substrate, and the heating element generates heat during an overvoltage.
- a protection element in which a low-melting-point metal body is blown is known (Japanese Patent No. 2794303).
- the heating element and the low-melting-point metal body are arranged in a plane, the element cannot be made compact. Also in this case, since the low-melting metal body is provided on the substrate so as to be in contact with the solid, it is unavoidable that the substrate has a flow resistance of the low-melting metal body in a heated and molten state. Smooth spherical fragmentation of the melting point metal body is guaranteed Not really.
- the present invention provides a protection element that has a heating element and a low-melting metal body on a substrate, and the low-melting metal body is heated and melted by the heat generated by the heating element.
- the purpose is to make the spheres fragmented in a round. Disclosure of the invention
- the inventor of the present invention floats the low-melting-point metal body between electrodes connected to the low-melting-point metal body on a substrate, and has a certain height H and a constant cross-sectional area S of the low-melting-point metal body in that case. It has been found that when a relationship is established, the spherical fragmentation performance of a low-melting metal body during heating and melting is improved.
- the present invention provides a protection element having a heating element and a low-melting metal body on a substrate, wherein the low-melting metal body is blown off by the heat generated by the heating element.
- the cross-sectional area of the low-melting metal body between the pair of low-melting metal body electrodes sandwiching the region is S ( ⁇ m 2 ), and the height of the floating region is H ( ⁇ m).
- a protection element is provided.
- the cross section of the low melting point metal body refers to a cross section of the low melting point metal body perpendicular to the direction of the current flowing through the low melting point metal body.
- FIG. 1A is a plan view of the protection element of the present invention
- FIG. 1B and FIG. 1C are cross-sectional views thereof.
- 2A to 2E are manufacturing process diagrams of the protection element of the present invention.
- FIG. 3 is a circuit diagram of the overvoltage protection device.
- FIG. 4 is a sectional view of the protection element of the present invention.
- FIG. 5 is a cross-sectional view of the protection element of the present invention.
- FIG. 6A is a plan view of the protection element of the present invention
- FIG. 6B is a cross-sectional view thereof.
- FIG. 7 is a sectional view of the protection element of the present invention.
- FIG. 9A is a plan view of the protection element of the present invention, and FIG. 9B is a sectional view thereof.
- FIG. 10 is a circuit diagram of the overvoltage protection device.
- FIG. 11 is a cross-sectional view of a protection element of a comparative example.
- FIG. 1A is a plan view of a protection element 1A of one embodiment of the present invention
- FIGS. 1B and 1C are cross-sectional views thereof.
- the protection element 1A has a structure in which a heating element 6, an insulating layer 5, and a low-melting metal element 4 are sequentially laminated on a substrate 2.
- the low-melting-point metal body 4 is connected to the low-melting-point metal body electrodes 3a and 3c at both ends and the low-melting-point metal body electrode 3b at the center. Since the upper surfaces of the electrodes 3a, 3b, and 3c all protrude beyond the upper surface of the insulating layer 5 that is the base of the low-melting metal body 4, the low-melting metal body 4 Floating without contacting layer 5.
- the protection element 1A is the cross-sectional area (FIG. 1C) of the low melting point metal body 4 between the pair of low melting point metal body electrodes 3a, 3b or the electrodes 3b, 3c.
- the hatched portion of the double line: WX t) is S ( ⁇ m 2 ), and the height of the floating area is H ( ⁇ m). — It is characterized by being 5 .
- This protection element 1A is manufactured as shown in FIG. First, electrodes 3x and 3y for the heat generator 6 (so-called pillow electrodes) are formed on the substrate 2 (FIG. 2A), and then the heat generator 6 is formed (FIG. 2B).
- the heating element 6 is formed, for example, by printing and firing a ruthenium oxide paste.
- trimming is performed on the heating element 6 with an excimer laser or the like, and then the insulating layer 5 is formed so as to cover the heating element 6.
- electrodes 3a, 3b, and 3c for the low-melting metal body are formed (FIG. 2D), and the low-melting metal body 4 is bridged to the electrodes 3a, 3b, and 3c. (Fig. 2E). '
- the material for forming the substrate 2, the electrodes 3a, 3b, 3c, 3x, 3y, the heating element 6, the insulating layer 5, and the low-melting metal body 4 and the method for forming the same are the same as in the conventional example. can do. Therefore, for example, a plastic film, a glass epoxy substrate, a ceramic substrate, a metal substrate, or the like can be used as the substrate 2, and an inorganic substrate is preferably used.
- the heating element 6 is coated with a resistance paste made of, for example, a conductive material such as ruthenium oxide or carbon black and an inorganic binder such as water glass or an organic binder such as a thermosetting resin, and is fired as necessary. Thus, it can be formed.
- the heating element 6 may be formed by printing, plating, vapor deposition, sputtering, or the like of a thin film of ruthenium oxide, carbon black, or the like, or may be formed by sticking, laminating, or the like of these films. .
- various low-melting metal bodies conventionally used as fuse materials can be used. It is possible to use the alloys listed in Table 1 of paragraph [0 0 1 9] of No. 90 publication. it can.
- the low-melting metal electrode 3a, 3b, 3c use a simple metal such as copper, or an electrode whose surface is coated with Ag_Pt, Au, etc. be able to.
- the protection element 1A in FIG. 1A As a method of using the protection element 1A in FIG. 1A, for example, as shown in FIG. 3, it is used in an overvoltage protection device.
- terminals A1 and A2 are connected to the electrode terminals of a protected device such as a lithium ion battery, and terminals Bl and B2 are connected to the protected device.
- the electrode terminals of devices such as chargers are connected.
- the overvoltage protection device when the charging of the lithium ion battery progresses and a reverse voltage higher than the breakdown voltage is applied to the zener diode D, the base current ib rapidly flows, thereby generating a large collector current ic. The heat flows into the heating element 6, and the heating element 6 generates heat.
- the protection element of the present invention can take various other modes.
- a step may be provided between the upper surfaces of the pair of low-melting-point metal body electrodes, and the low-melting-point metal body connected to the pair of low-melting-point metal body electrodes may be inclined between these electrodes.
- the protection element 1B in FIG. 4 is an example of such a protection element, in which the upper surface of the intermediate electrode 3b is protruded from the upper surfaces of the electrodes 3a and 3c at both ends, and the electrodes 3a and The low-melting-point metal body 4 covering 3b and 3c is inclined so as to be convex on the upper surface side of the protection element 1B.
- the protection element 1C shown in FIG. 5 is formed so that the upper surface of the middle electrode 3b is lower than the upper surfaces of the electrodes 3a and 3b at both ends, and is applied to the electrodes 3a, 3b and 3c.
- the low-melting metal body 4 is inclined so as to be convex on the lower surface side of the protection element.
- the floating height H ( ⁇ ) determined by the step between the upper surface of the middle electrode 3b and the upper surfaces of the electrodes 3a and 3c on both sides, and the area S ( ⁇ m 2) and is, to cormorants'll satisfy the relationship of HZS ⁇ 5 X 1 0- 5.
- a glass paste on which the insulating layer 5 is formed is used.
- the conductive paste for forming the electrodes 3b is printed thereon, and further pressed to make the printed surfaces even, and then baked to form the insulating layer 5 and the electrodes 3b. do it.
- a spacer 7 made of insulating glass or the like is provided between the middle electrode 3b and the electrodes 3a and 3 at both ends.
- the melting point metal body 4 is formed so that the low melting point metal body 4 floats.
- H (Mm) determined by the height difference between the upper surface of the spacer 7 and the upper surface of the middle electrode 3b or the upper surfaces of the electrodes 3a and 3c on both sides, and the low melting point metal and the area of the cross section of the body 4 S ( ⁇ m 2) but, HZ S ⁇ 5 X 1 0 - I satisfies the relationship 5 Unisuru.
- the low melting point metal 4 floats in the entire region between the electrodes 3 a and 3 b and between the electrodes 3 b and 3 c.
- the low-melting metal body 4 is required to float in all regions except for contact with the electrodes 3a, 3b, and 3c. There is no.
- the low-melting-point metal body 4 may be in contact with the insulating layer 5 in the vicinity of the electrodes 3a and 3c on both sides.
- the protection element 1F has a low melting point in one protection element. If there are different heights lifting of point metal member 4 (the height H 2), for each of the floating, relationship between the area S of the cross section of the height H and the low melting metal member of the above-mentioned lifting is satisfied So that
- the protection element of the present invention is not limited to the low-melting metal body that is blown between two pairs of electrodes, namely, the electrodes 3a and 3b, and the electrodes 3b and 3b. Alternatively, it may be configured such that fusing occurs only between a pair of electrodes.
- the protection element used in the overvoltage protection device of the circuit diagram shown in FIG. 10 can have a configuration in which the electrode 3b is omitted, like the protection element 1G shown in FIG. 9A. This protection element 1G also has a height H between the pair of electrodes 3a and 3c.
- the shape of each low melting point metal body 4 is not limited to a flat plate. For example, the shape may be a round bar.
- the low-melting metal body 4 is not limited to the case where the low-melting metal body 4 is laminated on the heat generating body 6 via the insulating layer 5.
- the low-melting-point metal body and the heating element may be arranged in a plane so that the low-melting-point metal body is blown off by the heat generated by the heating element.
- the protection element of the present invention is formed into a chip, it is preferable that a cap made of 4,6-nylon, a liquid crystal polymer, or the like be put on the low-melting metal body 4.
- FIG. 1A of FIG. 1A was produced as follows.
- the electrodes 3 x and 3 y (thickness 10 ⁇ m, size 2.4 mm X 0.2 mm) for the heating element 6 are obtained by firing (850 ° (: 0.5 hours). ) Formed.
- a ruthenium oxide paste (DP1900, manufactured by DuPont) was printed and fired.
- the heating element 6 (thickness 10 / zm, size 2.4 mm X 1.6 mm, pattern resistance 5 ⁇ ) was formed by forming (850 ° C, 0.5 hours).
- an insulating layer 5 (thickness: 15 ⁇ m) is formed by printing an insulating glass paste on the heating element 6, and the electrodes 3a and 3b for the low melting point metal body are formed.
- 3c size 2.2mm X 0.7mm, 3a, 3c thickness 20m, 3b thickness ⁇ ⁇
- silver-platinum paste (Dupont, 5164N) and printed (850 ° C, 0.5 hours).
- the electrodes 3a, 3b, 3c were pressed before firing to flatten the electrodes 3a, 3b, 3c and the insulating layer 5, and the By connecting the solder foil on the top, as shown in Fig. 11, a protection element 1X without floating on the solder foil (low melting point metal body 4) was produced.
- the width and thickness of the low-melting metal body 4 and the printing thickness of the electrodes 3a, 3b, and 3c were changed to obtain a low-melting metal as shown in Table 1.
- Protective elements with different body lifting heights H and different cross-sectional areas S were fabricated.
- Example 1 1000 100 100000 10 1.0X10 "4 10 G
- Example 2 1000 100 100000 5 5.0X10- 5 13 G
- Example 3 1000 150 150000 10 6.7X10- 5 12 G
- Example 4 1000 300 300000 20 6.7X10- 5 15 G
- example 5 500 150 75000 5 6.7X10- 5 10
- example 6 500 150 75000 10 1.3X10- 4 9
- G 500 300 150000 10 6.7X10- 5 13 G
- Comparative example 1 1000 100 100 000 0 one 30 NG Comparative Example 2 1000 100 100000 0 ⁇ 21 NG Comparative Example 3 1000 150 150000 5 3.3X10- 5 24 NG Comparative Example 4 1000 300 300000 10 3.3X10 " 5 25 NG Comparative Example 5 500 300 150000 5 3.3X10- 5 25 NG
- the low-melting-point metal body is heated and melted by the heat generated by the heating element.
- the melting point metal body can be surely divided into spheres.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Fuses (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/537,908 US7286037B2 (en) | 2002-12-27 | 2003-12-05 | Protective element |
HK06106382A HK1086666A1 (en) | 2002-12-27 | 2006-06-02 | Protection element |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002382569A JP2004214033A (ja) | 2002-12-27 | 2002-12-27 | 保護素子 |
JP2002-382569 | 2002-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004061886A1 true WO2004061886A1 (ja) | 2004-07-22 |
Family
ID=32708605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/015604 WO2004061886A1 (ja) | 2002-12-27 | 2003-12-05 | 保護素子 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7286037B2 (ja) |
JP (1) | JP2004214033A (ja) |
KR (1) | KR100783997B1 (ja) |
CN (2) | CN100361250C (ja) |
HK (2) | HK1086666A1 (ja) |
TW (1) | TWI255481B (ja) |
WO (1) | WO2004061886A1 (ja) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004033251B3 (de) * | 2004-07-08 | 2006-03-09 | Vishay Bccomponents Beyschlag Gmbh | Schmelzsicherung für einem Chip |
DE102007014334A1 (de) * | 2007-03-26 | 2008-10-02 | Robert Bosch Gmbh | Schmelzlegierungselement, Thermosicherung mit einem Schmelzlegierungselement sowie Verfahren zum Herstellen einer Thermosicherung |
JP2008311161A (ja) * | 2007-06-18 | 2008-12-25 | Sony Chemical & Information Device Corp | 保護素子 |
JP5287154B2 (ja) * | 2007-11-08 | 2013-09-11 | パナソニック株式会社 | 回路保護素子およびその製造方法 |
US7969275B2 (en) * | 2007-11-14 | 2011-06-28 | Enerdel, Inc. | Fuse assembly with integrated current sensing |
WO2009090995A1 (ja) * | 2008-01-17 | 2009-07-23 | Murata Manufacturing Co., Ltd. | アンテナ |
JP5130232B2 (ja) * | 2009-01-21 | 2013-01-30 | デクセリアルズ株式会社 | 保護素子 |
US20100293047A1 (en) * | 2009-05-14 | 2010-11-18 | Henry Schwarz | System and method for optimizing purchase of inventory for online display advertising |
US20100293046A1 (en) * | 2009-05-14 | 2010-11-18 | Raymond Mark Cooke | System and method for optimizing delivery of inventory for online display advertising |
US9025295B2 (en) | 2009-09-04 | 2015-05-05 | Cyntec Co., Ltd. | Protective device and protective module |
US8472158B2 (en) | 2009-09-04 | 2013-06-25 | Cyntec Co., Ltd. | Protective device |
JP5192524B2 (ja) | 2009-09-04 | 2013-05-08 | 乾坤科技股▲ふん▼有限公司 | 保護装置 |
US8531263B2 (en) * | 2009-11-24 | 2013-09-10 | Littelfuse, Inc. | Circuit protection device |
JP5627291B2 (ja) * | 2010-05-21 | 2014-11-19 | 京セラ株式会社 | 電流ヒューズ装置および回路基板 |
CN102263396B (zh) * | 2010-05-24 | 2014-05-07 | 乾坤科技股份有限公司 | 保护元件及电子装置 |
PL2408277T3 (pl) * | 2010-07-16 | 2016-08-31 | Schurter Ag | Element bezpiecznikowy |
US8976001B2 (en) * | 2010-11-08 | 2015-03-10 | Cyntec Co., Ltd. | Protective device |
TWI488208B (zh) | 2011-08-18 | 2015-06-11 | Ind Tech Res Inst | 保護元件及應用此保護元件之保護裝置 |
CN103988277B (zh) * | 2011-12-19 | 2016-10-26 | 迪睿合电子材料有限公司 | 保护元件、保护元件的制造方法及装入有保护元件的电池模块 |
EP2797098A4 (en) * | 2011-12-19 | 2015-12-09 | Dexerials Corp | PROTECTIVE ELEMENT, METHOD FOR MANUFACTURING PROTECTIVE ELEMENT, AND BATTERY MODULE IN WHICH THE PROTECTIVE ELEMENT IS INTEGRATED |
JP6249600B2 (ja) | 2012-03-29 | 2017-12-20 | デクセリアルズ株式会社 | 保護素子 |
JP5987485B2 (ja) * | 2012-06-12 | 2016-09-07 | 株式会社村田製作所 | ヒューズ |
KR101388354B1 (ko) * | 2012-11-26 | 2014-04-24 | 스마트전자 주식회사 | 비정상상태의 전류 및 전압을 차단하는 복합보호소자 |
KR101401141B1 (ko) * | 2012-11-26 | 2014-05-30 | 스마트전자 주식회사 | 비정상상태의 전류 및 전압을 차단하는 복합보호소자 |
WO2014109364A1 (ja) * | 2013-01-11 | 2014-07-17 | タイコエレクトロニクスジャパン合同会社 | 保護素子 |
TWI588857B (zh) * | 2014-02-10 | 2017-06-21 | 陳莎莉 | 複合式保護元件與保護電路 |
KR101434135B1 (ko) * | 2014-03-17 | 2014-08-26 | 스마트전자 주식회사 | 퓨즈 저항기 |
DE102015108758A1 (de) * | 2014-06-13 | 2015-12-17 | Smart Electronics Inc. | Komplexe Schutzvorrichtung |
KR101533996B1 (ko) * | 2014-10-23 | 2015-07-06 | 주식회사 에스엠하이테크 | 온도 퓨즈 기능을 가진 smd형 마이크로 복합 퓨즈 및 그 제조방법 |
JP6621255B2 (ja) * | 2015-07-10 | 2019-12-18 | デクセリアルズ株式会社 | 保護素子、ヒューズ素子 |
TW201740605A (zh) * | 2017-01-23 | 2017-11-16 | Pao-Hsuan Chen | 保護元件與二次電池包 |
DE102017125208B4 (de) * | 2017-10-27 | 2021-08-12 | Auto-Kabel Management Gmbh | Elektrisches Sicherungselement sowie Verfahren zum Betreiben eines elektrischen Sicherungselementes |
TWI653651B (zh) * | 2017-10-27 | 2019-03-11 | 致伸科技股份有限公司 | 鍵盤 |
JP7231527B2 (ja) * | 2018-12-28 | 2023-03-01 | ショット日本株式会社 | 保護素子用ヒューズ素子およびそれを利用した保護素子 |
JP7349954B2 (ja) * | 2020-04-13 | 2023-09-25 | ショット日本株式会社 | 保護素子 |
KR20230123420A (ko) | 2022-02-16 | 2023-08-23 | 주식회사 인세코 | 가용도체의 유동을 규제하는 보호소자 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10112252A (ja) * | 1996-10-03 | 1998-04-28 | Yazaki Corp | ヒューズ及びその取付方法 |
JP2000306477A (ja) * | 1999-04-16 | 2000-11-02 | Sony Chem Corp | 保護素子 |
JP2001325869A (ja) * | 2000-05-17 | 2001-11-22 | Sony Chem Corp | 保護素子 |
JP2001325868A (ja) * | 2000-05-17 | 2001-11-22 | Sony Chem Corp | 保護素子 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5097247A (en) * | 1991-06-03 | 1992-03-17 | North American Philips Corporation | Heat actuated fuse apparatus with solder link |
DE4222278C1 (de) * | 1992-07-07 | 1994-03-31 | Roederstein Kondensatoren | Verfahren zur Herstellung elektrischer Dickschichtsicherungen |
JP2790433B2 (ja) | 1993-08-31 | 1998-08-27 | ソニー株式会社 | 保護素子及び回路基板 |
JP3067011B2 (ja) | 1994-11-30 | 2000-07-17 | ソニーケミカル株式会社 | 保護素子及びその製造方法 |
US5712610C1 (en) * | 1994-08-19 | 2002-06-25 | Sony Chemicals Corp | Protective device |
JP3782176B2 (ja) | 1996-10-12 | 2006-06-07 | 内橋エステック株式会社 | 保護素子の使用方法及び保護装置 |
JP3768621B2 (ja) | 1996-10-12 | 2006-04-19 | 内橋エステック株式会社 | 保護素子の使用方法 |
JPH10162714A (ja) * | 1996-11-28 | 1998-06-19 | Kyocera Corp | チップヒューズ素子 |
DE19704097A1 (de) * | 1997-02-04 | 1998-08-06 | Wickmann Werke Gmbh | Elektrisches Sicherungselement |
US6373371B1 (en) * | 1997-08-29 | 2002-04-16 | Microelectronic Modules Corp. | Preformed thermal fuse |
US5939969A (en) * | 1997-08-29 | 1999-08-17 | Microelectronic Modules Corporation | Preformed thermal fuse |
JP3257521B2 (ja) * | 1997-10-07 | 2002-02-18 | ソニーケミカル株式会社 | Ptc素子、保護装置および回路基板 |
JP4112078B2 (ja) * | 1998-05-27 | 2008-07-02 | 内橋エステック株式会社 | 基板型抵抗・温度ヒュ−ズ |
JP4396787B2 (ja) * | 1998-06-11 | 2010-01-13 | 内橋エステック株式会社 | 薄型温度ヒュ−ズ及び薄型温度ヒュ−ズの製造方法 |
JP2001006518A (ja) * | 1999-04-23 | 2001-01-12 | Sony Chem Corp | 過電流保護装置 |
JP2003217416A (ja) * | 2002-01-25 | 2003-07-31 | Nec Schott Components Corp | 温度ヒュ−ズおよびこれを装着した保護装置 |
-
2002
- 2002-12-27 JP JP2002382569A patent/JP2004214033A/ja active Pending
-
2003
- 2003-12-05 US US10/537,908 patent/US7286037B2/en active Active
- 2003-12-05 KR KR1020057011926A patent/KR100783997B1/ko active IP Right Grant
- 2003-12-05 CN CNB2003801076366A patent/CN100361250C/zh not_active Expired - Lifetime
- 2003-12-05 CN CN2007101045688A patent/CN101090046B/zh not_active Expired - Lifetime
- 2003-12-05 WO PCT/JP2003/015604 patent/WO2004061886A1/ja active Application Filing
- 2003-12-11 TW TW092135007A patent/TWI255481B/zh not_active IP Right Cessation
-
2006
- 2006-06-02 HK HK06106382A patent/HK1086666A1/xx not_active IP Right Cessation
-
2008
- 2008-04-28 HK HK08104692.5A patent/HK1114943A1/xx not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10112252A (ja) * | 1996-10-03 | 1998-04-28 | Yazaki Corp | ヒューズ及びその取付方法 |
JP2000306477A (ja) * | 1999-04-16 | 2000-11-02 | Sony Chem Corp | 保護素子 |
JP2001325869A (ja) * | 2000-05-17 | 2001-11-22 | Sony Chem Corp | 保護素子 |
JP2001325868A (ja) * | 2000-05-17 | 2001-11-22 | Sony Chem Corp | 保護素子 |
Also Published As
Publication number | Publication date |
---|---|
TWI255481B (en) | 2006-05-21 |
JP2004214033A (ja) | 2004-07-29 |
TW200414254A (en) | 2004-08-01 |
CN101090046A (zh) | 2007-12-19 |
HK1114943A1 (en) | 2008-11-14 |
US20060028314A1 (en) | 2006-02-09 |
KR20050088326A (ko) | 2005-09-05 |
CN1732546A (zh) | 2006-02-08 |
HK1086666A1 (en) | 2006-09-22 |
US7286037B2 (en) | 2007-10-23 |
KR100783997B1 (ko) | 2007-12-07 |
CN100361250C (zh) | 2008-01-09 |
CN101090046B (zh) | 2010-06-23 |
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