JP2004193626A5 - - Google Patents

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JP2004193626A5
JP2004193626A5 JP2004028565A JP2004028565A JP2004193626A5 JP 2004193626 A5 JP2004193626 A5 JP 2004193626A5 JP 2004028565 A JP2004028565 A JP 2004028565A JP 2004028565 A JP2004028565 A JP 2004028565A JP 2004193626 A5 JP2004193626 A5 JP 2004193626A5
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electrically insulating
insulating support
support substrate
disposed
electrode
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表面実装可能な電気回路保護装置であって、
その上にたった１つの電極が配置されている第１電気絶縁性支持基材と；
導電性粒子を分散させたポリマーからなり、かつ、第１端部及び第２端部とそれらの間に延在する第１表面及び第２表面とを有する第１ＰＴＣ素子と；
第１端部及び第２端部を有するとともに、第１表面上に第１電極が配置されており、かつ、第２表面上に第２電極が配置されている第２電気絶縁性支持基材であって、当該第２電気絶縁性支持基材上の第１表面上に配置された第１電極が当該第２電気絶縁性支持基材の第１端部ではなく当該第２電気絶縁性支持基材の第２端部に延びており、当該第２電気絶縁性支持基材の第２表面上に配置された第２電極が当該第２電気絶縁性支持基材の第２端部ではなく当該第２電気絶縁性支持基材の第１端部に延びている第２電気絶縁性支持基材と；
導電性粒子を分散させたポリマーからなり、かつ、第１端部及び第２端部とそれらの間に延在する第１表面及び第２表面とを有する第２ＰＴＣ素子と；
その上にたった１つの電極が配置されている第３電気絶縁性支持基材と；
当該電気回路保護装置の第１端部を包み込んでいる第１導電性終端部と；
当該電気回路保護装置の第２端部を包み込んでいる第２導電性終端部と；
を含み、
前記第１ＰＴＣ素子は、
（ｉ）前記第１電気絶縁性支持基材上に配置された前記電極が、当該第１ＰＴＣ素子の第１表面上にも配置されており、かつ、当該第１ＰＴＣ素子の第２端部ではなく当該第１ＰＴＣ素子の第１端部に延びるように、及び
（ｉｉ）前記第２電気絶縁性支持基材上に配置された第１電極が、当該第１ＰＴＣ素子の第２表面上にも配置されており、かつ、当該第１ＰＴＣ素子の第１端部ではなく当該第１ＰＴＣ素子の第２端部に延びるように、
前記第１電気絶縁性支持基材と第２電気絶縁性支持基材の間に配置されており、
前記第２ＰＴＣ素子は、
（ｉ）前記第２電気絶縁性支持基材上に配置された第２電極が、当該第２ＰＴＣ素子の第１表面上にも配置されており、かつ、当該第２ＰＴＣ素子の第２端部ではなく当該第２ＰＴＣ素子の第１端部に延びるように、及び
（ｉｉ）前記第３電気絶縁性支持基材上に配置された前記電極が、当該第２ＰＴＣ素子の第２表面上にも配置されており、かつ、当該第２ＰＴＣ素子の第１端部ではなく当該第２ＰＴＣ素子の第２端部に延びるように、
前記第２電気絶縁性支持基材と第３電気絶縁性支持基材の間に配置されていることを特徴とする表面実装可能な電気回路保護装置。 A surface mountable electrical circuit protection device comprising:
A first electrically insulating support substrate having only one electrode disposed thereon;
A first PTC element made of a polymer in which conductive particles are dispersed and having a first end and a second end and a first surface and a second surface extending therebetween;
A second electrically insulating support substrate having a first end and a second end, wherein the first electrode is disposed on the first surface, and the second electrode is disposed on the second surface. Wherein the first electrode disposed on the first surface of the second electrically insulating support substrate is not the first end of the second electrically insulating support substrate, but the second electrically insulating support. The second electrode that extends to the second end of the substrate and is disposed on the second surface of the second electrically insulating support substrate is not the second end of the second electrically insulating support substrate. A second electrically insulating support substrate extending to the first end of the second electrically insulating support substrate;
A second PTC element made of a polymer in which conductive particles are dispersed and having a first end and a second end and a first surface and a second surface extending therebetween;
A third electrically insulating supporting substrate on which only one electrode is disposed;
A first conductive termination enclosing the first end of the electrical circuit protection device;
A second conductive termination enclosing the second end of the electrical circuit protection device;
Including
The first PTC element is
(I) The electrode disposed on the first electrically insulating support base is also disposed on the first surface of the first PTC element, and not the second end of the first PTC element. (Ii) a first electrode disposed on the second electrically insulating support substrate is also disposed on a second surface of the first PTC element so as to extend to the first end of the first PTC element; And extending to the second end of the first PTC element instead of the first end of the first PTC element,
Disposed between the first electrically insulating support substrate and the second electrically insulating support substrate;
The second PTC element is
(I) The second electrode disposed on the second electrically insulating support base is also disposed on the first surface of the second PTC element, and at the second end of the second PTC element. And (ii) the electrode disposed on the third electrically insulating support base is also disposed on the second surface of the second PTC element so as to extend to the first end of the second PTC element. And extending to the second end of the second PTC element instead of the first end of the second PTC element,
A surface-mountable electrical circuit protection device, wherein the surface mountable electrical circuit protection device is disposed between the second electrically insulating support substrate and the third electrically insulating support substrate. 第１、第２及び第３電気絶縁性支持基材がセラミック、ＦＲ−４エポキシ、ガラス及びメラミンからなる群から選ばれる材料から形成されたものである請求項１記載の表面実装可能な電気回路保護装置。   2. The surface mountable electric circuit according to claim 1, wherein the first, second and third electrically insulating supporting substrates are formed of a material selected from the group consisting of ceramic, FR-4 epoxy, glass and melamine. Protective device. 第１及び第２ＰＴＣ素子が並列に電気的に接続されている請求項１記載の表面実装可能な電気回路保護装置。   2. The surface mountable electrical circuit protection device according to claim 1, wherein the first and second PTC elements are electrically connected in parallel. 第１及び第２導電性終端部が第１及び第２導電性層からなる請求項１記載の表面実装可能な電気回路保護装置。   2. The surface mountable electrical circuit protection device according to claim 1, wherein the first and second conductive terminal portions are formed of first and second conductive layers. 第１及び第２導電性終端部の第１導電性層が銅からなる請求項４記載の表面実装可能な電気回路保護装置。   5. The surface mountable electrical circuit protection device according to claim 4, wherein the first conductive layers of the first and second conductive terminal portions are made of copper. 第１及び第２導電性終端部の第２導電性層が錫からなる請求項４記載の表面実装可能な電気回路保護装置。   5. The surface mountable electrical circuit protection device according to claim 4, wherein the second conductive layers of the first and second conductive terminal portions are made of tin. 第１導電性終端部が第３電気絶縁性支持基材上に配置されている電極及び第２電気絶縁性支持基材上に配置されている第１電極に直接接触している請求項１記載の表面実装可能な電気回路保護装置。   The first conductive terminal portion is in direct contact with the electrode disposed on the third electrically insulating support substrate and the first electrode disposed on the second electrically insulating support substrate. Surface mountable electrical circuit protection device. 第２導電性終端部が第２電気絶縁性支持基材上に配置されている第２電極及び第１電気絶縁性支持基材上に配置されている電極に直接接触している請求項７記載の表面実装可能な電気回路保護装置。   The second conductive terminal portion is in direct contact with the second electrode disposed on the second electrically insulating support substrate and the electrode disposed on the first electrically insulating support substrate. Surface mountable electrical circuit protection device. 電流を前記表面実装可能な電気回路保護装置に流した場合に、電流が第１導電性終端部から第３電気絶縁性支持基材上に配置されている電極及び第２電気絶縁性支持基材上に配置されている第１電極に流れ、第１及び第２ＰＴＣ素子を通じて第２電気絶縁性支持基材上に配置されている第２電極及び第１電気絶縁性支持基材上に配置されている電極に流れ、第２導電性終端部に流れる、請求項８記載の表面実装可能な電気回路保護装置。   When the current is passed through the surface mountable electrical circuit protection device, the electrode is disposed on the third electrically insulating support substrate from the first conductive terminal portion and the second electrically insulating support substrate The first electrode disposed on the second electrode is disposed on the second electrically insulating support substrate through the first and second PTC elements, and disposed on the first electrically insulating support substrate. The surface mountable electrical circuit protection device of claim 8, wherein the surface mountable electrical circuit protection device flows to the second electrode and to the second conductive termination. 表面実装可能な電気回路保護装置であって、
第１表面上に１つの電極が配置されている第１電気絶縁性支持基材と；
第１端部及び第２端部を有するとともに、第１表面上に第１電極が配置されており、かつ、第２表面上に第２電極が配置されている第２電気絶縁性支持基材であって、当該第２電気絶縁性支持基材上の第１表面上に配置された第１電極が当該第２電気絶縁性支持基材の第１端部及び第２端部のうちの一方に延びており、それらのうちの他方には延びておらず、当該第２電気絶縁性支持基材の第２表面上に配置された第２電極が当該第２電気絶縁性支持基材の第１端部及び第２端部のうちの一方に延びており、それらのうちの他方には延びていない第２電気絶縁性支持基材と；
第１表面上に第１電極が配置されており、かつ、第２表面上に第２電極が配置されている第３電気絶縁性支持基材と；
第１表面上に１つの電極が配置されている第４電気絶縁性支持基材と；
導電性粒子を分散させたポリマーからなる第１層状ＰＴＣ素子であって、前記第１電気絶縁性支持基材と前記第２電気絶縁性支持基材の間に配置されていて前記第１電気絶縁性支持基材上に配置されている前記電極と前記第２電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第１層状ＰＴＣ素子と；
導電性粒子を分散させたポリマーからなる第２層状ＰＴＣ素子であって、前記第２電気絶縁性支持基材と前記第３電気絶縁性支持基材の間に配置されていて前記第２電気絶縁性支持基材上に配置されている第２電極と前記第３電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第２層状ＰＴＣ素子と；
導電性粒子を分散させたポリマーからなる第３層状ＰＴＣ素子であって、前記第３電気絶縁性支持基材と前記第４電気絶縁性支持基材の間に配置されていて前記第３電気絶縁性支持基材上に配置されている第２電極と前記第４電気絶縁性支持基材上に配置されている前記電極とを電気的に接続している第３層状ＰＴＣ素子と；
当該電気回路保護装置の第１端部を包み込んでおり、かつ、前記第４電気絶縁性支持基材上に配置されている前記電極と、前記第３電気絶縁性支持基材上に配置されている第１電極と、前記第２電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第１導電性終端部と；
当該電気回路保護装置の第２端部を包み込んでおり、かつ、前記第３電気絶縁性支持基材上に配置されている第２電極と、前記第２電気絶縁性支持基材上に配置されている第２電極と、前記第１電気絶縁性支持基材上に配置されている前記電極とを電気的に接続している第２導電性終端部と；
を含む表面実装可能な電気回路保護装置。 A surface mountable electrical circuit protection device,
A first electrically insulating support substrate having one electrode disposed on the first surface;
A second electrically insulating support substrate having a first end and a second end, wherein the first electrode is disposed on the first surface, and the second electrode is disposed on the second surface. And the first electrode disposed on the first surface of the second electrically insulating support base is one of the first end and the second end of the second electrically insulating support. And the second electrode disposed on the second surface of the second electrically insulating support base is the second electrode of the second electrically insulating support base. A second electrically insulating support substrate extending to one of the one end and the second end and not extending to the other of them;
A third electrically insulating support substrate on which the first electrode is disposed on the first surface and the second electrode is disposed on the second surface;
A fourth electrically insulating support substrate having one electrode disposed on the first surface;
A first layered PTC element made of a polymer in which conductive particles are dispersed, wherein the first electric insulation is disposed between the first electrically insulating support substrate and the second electrically insulating support substrate. A first layered PTC element electrically connecting the electrode disposed on the conductive support substrate and the first electrode disposed on the second electrically insulating support substrate;
A second layered PTC element made of a polymer in which conductive particles are dispersed, wherein the second electric insulation is disposed between the second electrically insulating support base and the third electrically insulating support base. A second layered PTC element that electrically connects the second electrode disposed on the conductive support substrate and the first electrode disposed on the third electrically insulating support substrate;
A third layered PTC element made of a polymer in which conductive particles are dispersed, wherein the third electric insulation is disposed between the third electrically insulating support base and the fourth electrically insulating support base. A third layered PTC element that electrically connects the second electrode disposed on the conductive support substrate and the electrode disposed on the fourth electrically insulating support substrate;
The first end of the electrical circuit protection device is wrapped around, and the electrode is disposed on the fourth electrically insulating support substrate, and is disposed on the third electrically insulating support substrate. A first conductive termination that electrically connects the first electrode and the first electrode disposed on the second electrically insulating support substrate;
A second electrode surrounding the second end of the electrical circuit protection device and disposed on the third electrically insulating support substrate; and disposed on the second electrically insulating support substrate. A second conductive termination that electrically connects the second electrode being electrically connected to the electrode disposed on the first electrically insulating support substrate;
Surface mountable electrical circuit protection device including 第１導電性終端部が前記表面実装可能な電気回路保護装置の一方の端部近傍の第１及び第４電気絶縁性支持基材上に配置されている請求項１０記載の表面実装可能な電気回路保護装置。   11. The surface mountable electricity of claim 10 wherein a first conductive termination is disposed on the first and fourth electrically insulating support substrates near one end of the surface mountable electrical circuit protection device. Circuit protection device. 第２導電性終端部が前記表面実装可能な電気回路保護装置の第２端部近傍の第１及び第４電気絶縁性支持基材上に配置されている請求項１０記載の表面実装可能な電気回路保護装置。   11. The surface mountable electricity of claim 10 wherein a second conductive termination is disposed on the first and fourth electrically insulating support substrates near the second end of the surface mountable electrical circuit protection device. Circuit protection device. 第１電気絶縁性支持基材が第１端部及び第２端部を有し、第１電気絶縁性支持基材の第１表面上に配置されている前記電極が当該第１電気絶縁性支持基材の第２端部まで延びているが第１端部には延びていない請求項１０記載の表面実装可能な電気回路保護装置。   The first electrically insulating support substrate has a first end and a second end, and the electrode disposed on the first surface of the first electrically insulating support substrate is the first electrically insulating support. The surface mountable electrical circuit protection device according to claim 10, wherein the surface mountable electrical circuit protection device extends to the second end of the substrate but does not extend to the first end. 第２電気絶縁性支持基材が第１端部及び第２端部を有し、第２電気絶縁性支持基材の第１表面上に配置されている第１電極が当該第２電気絶縁性支持基材の第１端部まで延びているが第２端部には延びておらず、第２電気絶縁性支持基材の第２表面上に配置された第２電極が当該第２電気絶縁性支持基材の第２端部まで延びているが第１端部には延びていない請求項１０記載の表面実装可能な電気回路保護装置。   The second electrically insulating support substrate has a first end and a second end, and the first electrode disposed on the first surface of the second electrically insulating support substrate is the second electrically insulating material. The second electrode disposed on the second surface of the second electrically insulating support substrate extends to the first end of the support substrate but not to the second end, and the second electrode The surface mountable electrical circuit protection device according to claim 10, wherein the surface mountable electrical circuit protection device extends to the second end of the conductive support base but does not extend to the first end. 第３電気絶縁性支持基材が第１端部及び第２端部を有し、第３電気絶縁性支持基材の第１表面上に配置されている第１電極が当該第３電気絶縁性支持基材の第１端部まで延びているが第２端部には延びておらず、第３電気絶縁性支持基材の第２表面上に配置された第２電極が当該第３電気絶縁性支持基材の第２端部まで延びているが第１端部には延びていない請求項１０記載の表面実装可能な電気回路保護装置。   The third electrically insulating support substrate has a first end and a second end, and the first electrode disposed on the first surface of the third electrically insulating support substrate is the third electrically insulating material. A second electrode disposed on the second surface of the third electrically insulating supporting substrate extends to the first end of the supporting substrate but not to the second end, and the third electrically insulating member The surface mountable electrical circuit protection device according to claim 10, wherein the surface mountable electrical circuit protection device extends to the second end of the conductive support base but does not extend to the first end. 第４電気絶縁性支持基材が第１端部及び第２端部を有し、第４電気絶縁性支持基材の第１表面上に配置されている前記電極が第４電気絶縁性支持基材の第１端部まで延びているが第２端部には延びていない請求項１０記載の表面実装可能な電気回路保護装置。   A fourth electrically insulating support base has a first end and a second end, and the electrode disposed on the first surface of the fourth electrically insulating support base is a fourth electrically insulating support base. 11. The surface mountable electrical circuit protection device of claim 10, wherein the surface mountable electrical circuit protection device extends to the first end of the material but does not extend to the second end. 表面実装可能な電気回路保護装置であって、
第１表面上に１つの電極が配置されている第１電気絶縁性支持基材と；
第１端部及び第２端部を有するとともに、第１表面上に第１電極が配置されており、かつ、第２表面上に第２電極が配置されている第２電気絶縁性支持基材であって、当該第２電気絶縁性支持基材の第１表面上に配置された第１電極が当該第２電気絶縁性支持基材の第２端部ではなく第１端部に延びており、当該第２電気絶縁性支持基材の第２表面上に配置された第２電極が当該第２電気絶縁性支持基材の第１端部ではなく第２端部に延びている第２電気絶縁性支持基材と；
第１表面上に第１電極が配置されており、かつ、第２表面上に第２電極が配置されている第３電気絶縁性支持基材と；
第１表面上に１つの電極が配置されている第４電気絶縁性支持基材と；
導電性粒子を分散させたポリマーからなる第１層状ＰＴＣ素子であって、前記第１電気絶縁性支持基材と前記第２電気絶縁性支持基材の間に配置されていて前記第１電気絶縁性支持基材上に配置されている前記電極と前記第２電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第１層状ＰＴＣ素子と；
導電性粒子を分散させたポリマーからなる第２層状ＰＴＣ素子であって、前記第２電気絶縁性支持基材と前記第３電気絶縁性支持基材の間に配置されていて前記第２電気絶縁性支持基材上に配置されている第２電極と前記第３電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第２層状ＰＴＣ素子と；
導電性粒子を分散させたポリマーからなる第３層状ＰＴＣ素子であって、前記第３電気絶縁性支持基材と前記第４電気絶縁性支持基材の間に配置されていて前記第３電気絶縁性支持基材上に配置されている第２電極と前記第４電気絶縁性支持基材上に配置されている前記電極とを電気的に接続している第３層状ＰＴＣ素子と；
当該電気回路保護装置の第１端部を包み込んでおり、かつ、前記第４電気絶縁性支持基材上に配置されている前記電極と、前記第３電気絶縁性支持基材上に配置されている第１電極と、前記第２電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第１導電性終端部と；
当該電気回路保護装置の第２端部を包み込んでおり、かつ、前記第３電気絶縁性支持基材上に配置されている第２電極と、前記第２電気絶縁性支持基材上に配置されている第２電極と、前記第１電気絶縁性支持基材上に配置されている前記電極とを電気的に接続している第２導電性終端部と；
を含む表面実装可能な電気回路保護装置。 A surface mountable electrical circuit protection device comprising:
A first electrically insulating support substrate having one electrode disposed on the first surface;
A second electrically insulating support substrate having a first end and a second end, wherein the first electrode is disposed on the first surface, and the second electrode is disposed on the second surface. The first electrode disposed on the first surface of the second electrically insulating support substrate extends to the first end instead of the second end of the second electrically insulating support substrate. The second electrode arranged on the second surface of the second electrically insulating support substrate extends to the second end instead of the first end of the second electrically insulating support substrate. An insulating support substrate;
A third electrically insulating support substrate on which the first electrode is disposed on the first surface and the second electrode is disposed on the second surface;
A fourth electrically insulating support substrate having one electrode disposed on the first surface;
A first layered PTC element made of a polymer in which conductive particles are dispersed, wherein the first electric insulation is disposed between the first electrically insulating support substrate and the second electrically insulating support substrate. A first layered PTC element electrically connecting the electrode disposed on the conductive support substrate and the first electrode disposed on the second electrically insulating support substrate;
A second layered PTC element made of a polymer in which conductive particles are dispersed, wherein the second electric insulation is disposed between the second electrically insulating support base and the third electrically insulating support base. A second layered PTC element that electrically connects the second electrode disposed on the conductive support substrate and the first electrode disposed on the third electrically insulating support substrate;
A third layered PTC element made of a polymer in which conductive particles are dispersed, wherein the third electric insulation is disposed between the third electrically insulating support base and the fourth electrically insulating support base. A third layered PTC element that electrically connects the second electrode disposed on the conductive support substrate and the electrode disposed on the fourth electrically insulating support substrate;
The first end of the electrical circuit protection device is wrapped around, and the electrode is disposed on the fourth electrically insulating support substrate, and is disposed on the third electrically insulating support substrate. A first conductive termination that electrically connects the first electrode and the first electrode disposed on the second electrically insulating support substrate;
A second electrode surrounding the second end of the electrical circuit protection device and disposed on the third electrically insulating support substrate; and disposed on the second electrically insulating support substrate. A second conductive termination that electrically connects the second electrode being electrically connected to the electrode disposed on the first electrically insulating support substrate;
Surface mountable electrical circuit protection device including 第３電気絶縁性支持基材が第１端部及び第２端部を有し、第３電気絶縁性支持基材の第１表面上に配置されている第１電極が当該第３電気絶縁性支持基材の第１端部まで延びているが第２端部には延びておらず、第３電気絶縁性支持基材の第２表面上に配置された第２電極が当該第３電気絶縁性支持基材の第２端部まで延びているが第１端部には延びていない請求項１７記載の表面実装可能な電気回路保護装置。   The third electrically insulating support substrate has a first end and a second end, and the first electrode disposed on the first surface of the third electrically insulating support substrate is the third electrically insulating material. A second electrode disposed on the second surface of the third electrically insulating supporting substrate extends to the first end of the supporting substrate but not to the second end, and the third electrically insulating member The surface mountable electrical circuit protection device according to claim 17, wherein the surface mountable electrical circuit protection device extends to the second end of the conductive support base but does not extend to the first end. 表面実装可能な電気回路保護装置であって、
第１表面上に１つの電極が配置されている第１電気絶縁性支持基材と；
第１表面上に第１電極が配置されており、かつ、第２表面上に第２電極が配置されている第２電気絶縁性支持基材と；
第１端部及び第２端部を有するとともに、第１表面上に第１電極が配置されており、かつ、第２表面上に第２電極が配置されている第３電気絶縁性支持基材であって、当該第３電気絶縁性支持基材の第１表面上に配置された第１電極が当該第３電気絶縁性支持基材の第２端部ではなく第１端部に延びており、当該第３電気絶縁性支持基材の第２表面上に配置された第２電極が当該第３電気絶縁性支持基材の第１端部ではなく第２端部に延びている第３電気絶縁性支持基材と；
第１表面上に１つの電極が配置されている第４電気絶縁性支持基材と；
導電性粒子を分散させたポリマーからなる第１層状ＰＴＣ素子であって、前記第１電気絶縁性支持基材と前記第２電気絶縁性支持基材の間に配置されていて前記第１電気絶縁性支持基材上に配置されている前記電極と前記第２電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第１層状ＰＴＣ素子と；
導電性粒子を分散させたポリマーからなる第２層状ＰＴＣ素子であって、前記第２電気絶縁性支持基材と前記第３電気絶縁性支持基材の間に配置されていて前記第２電気絶縁性支持基材上に配置されている第２電極と前記第３電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第２層状ＰＴＣ素子と；
導電性粒子を分散させたポリマーからなる第３層状ＰＴＣ素子であって、前記第３電気絶縁性支持基材と前記第４電気絶縁性支持基材の間に配置されていて前記第３電気絶縁性支持基材上に配置されている第２電極と前記第４電気絶縁性支持基材上に配置されている前記電極とを電気的に接続している第３層状ＰＴＣ素子と；
当該電気回路保護装置の第１端部を包み込んでおり、かつ、前記第４電気絶縁性支持基材上に配置されている前記電極と、前記第３電気絶縁性支持基材上に配置されている第１電極と、前記第２電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第１導電性終端部と；
当該電気回路保護装置の第２端部を包み込んでおり、かつ、前記第３電気絶縁性支持基材上に配置されている第２電極と、前記第２電気絶縁性支持基材上に配置されている第２電極と、前記第１電気絶縁性支持基材上に配置されている前記電極とを電気的に接続している第２導電性終端部と；
を含む表面実装可能な電気回路保護装置。 A surface mountable electrical circuit protection device,
A first electrically insulating support substrate having one electrode disposed on the first surface;
A second electrically insulative support substrate having a first electrode disposed on the first surface and a second electrode disposed on the second surface;
A third electrically insulating support substrate having a first end and a second end, wherein the first electrode is disposed on the first surface, and the second electrode is disposed on the second surface. The first electrode disposed on the first surface of the third electrically insulating support substrate extends to the first end instead of the second end of the third electrically insulating support substrate. The third electrode, wherein the second electrode disposed on the second surface of the third electrically insulating support substrate extends to the second end instead of the first end of the third electrically insulating support substrate. An insulating support substrate;
A fourth electrically insulating support substrate having one electrode disposed on the first surface;
A first layered PTC element made of a polymer in which conductive particles are dispersed, wherein the first electric insulation is disposed between the first electrically insulating support substrate and the second electrically insulating support substrate. A first layered PTC element electrically connecting the electrode disposed on the conductive support substrate and the first electrode disposed on the second electrically insulating support substrate;
A second layered PTC element made of a polymer in which conductive particles are dispersed, wherein the second electric insulation is disposed between the second electrically insulating support base and the third electrically insulating support base. A second layered PTC element that electrically connects the second electrode disposed on the conductive support substrate and the first electrode disposed on the third electrically insulating support substrate;
A third layered PTC element made of a polymer in which conductive particles are dispersed, wherein the third electric insulation is disposed between the third electrically insulating support base and the fourth electrically insulating support base. A third layered PTC element that electrically connects the second electrode disposed on the conductive support substrate and the electrode disposed on the fourth electrically insulating support substrate;
The first end of the electrical circuit protection device is wrapped around, and the electrode is disposed on the fourth electrically insulating support substrate, and is disposed on the third electrically insulating support substrate. A first conductive termination that electrically connects the first electrode and the first electrode disposed on the second electrically insulating support substrate;
A second electrode surrounding the second end of the electrical circuit protection device and disposed on the third electrically insulating support substrate; and disposed on the second electrically insulating support substrate. A second conductive termination that electrically connects the second electrode being electrically connected to the electrode disposed on the first electrically insulating support substrate;
Surface mountable electrical circuit protection device including 第２電気絶縁性支持基材が第１端部及び第２端部を有し、第２電気絶縁性支持基材の第１表面上に配置されている第１電極が当該第２電気絶縁性支持基材の第１端部まで延びているが第２端部には延びておらず、第２電気絶縁性支持基材の第２表面上に配置された第２電極が第２電気絶縁性支持基材の第２端部まで延びているが第１端部には延びていない請求項１９記載の表面実装可能な電気回路保護装置。   The second electrically insulating support substrate has a first end and a second end, and the first electrode disposed on the first surface of the second electrically insulating support substrate is the second electrically insulating material. The second electrode disposed on the second surface of the second electrically insulating supporting substrate extends to the first end of the supporting substrate but does not extend to the second end, and has a second electrically insulating property. 20. The surface mountable electrical circuit protection device according to claim 19, which extends to the second end of the support base but does not extend to the first end. 表面実装可能な電気回路保護装置であって、
第１表面上に１つの電極が配置されている第１電気絶縁性支持基材と；
第１端部及び第２端部を有するとともに、第１表面上に第１電極が配置されており、かつ、第２表面上に第２電極が配置されている第２電気絶縁性支持基材であって、当該第２電気絶縁性支持基材の第１表面上に配置された第１電極が当該第２電気絶縁性支持基材の第２端部ではなく第１端部に延びており、当該第２電気絶縁性支持基材の第２表面上に配置された第２電極が当該第２電気絶縁性支持基材の第１端部ではなく第２端部に延びている第２電気絶縁性支持基材と；
第１端部及び第２端部を有するとともに、第１表面上に第１電極が配置されており、かつ、第２表面上に第２電極が配置されている第３電気絶縁性支持基材であって、当該第３電気絶縁性支持基材の第１表面上に配置された第１電極が当該第３電気絶縁性支持基材の第２端部ではなく第１端部に延びており、当該第３電気絶縁性支持基材の第２表面上に配置された第２電極が当該第３電気絶縁性支持基材の第１端部ではなく第２端部に延びている第３電気絶縁性支持基材と；
第１表面上に１つの電極が配置されている第４電気絶縁性支持基材と；
導電性粒子を分散させたポリマーからなる第１層状ＰＴＣ素子であって、前記第１電気絶縁性支持基材と前記第２電気絶縁性支持基材の間に配置されていて前記第１電気絶縁性支持基材上に配置されている前記電極と前記第２電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第１層状ＰＴＣ素子と；
導電性粒子を分散させたポリマーからなる第２層状ＰＴＣ素子であって、前記第２電気絶縁性支持基材と前記第３電気絶縁性支持基材の間に配置されていて前記第２電気絶縁性支持基材上に配置されている第２電極と前記第３電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第２層状ＰＴＣ素子と；
導電性粒子を分散させたポリマーからなる第３層状ＰＴＣ素子であって、前記第３電気絶縁性支持基材と前記第４電気絶縁性支持基材の間に配置されていて前記第３電気絶縁性支持基材上に配置されている第２電極と前記第４電気絶縁性支持基材上に配置されている前記電極とを電気的に接続している第３層状ＰＴＣ素子と；
当該電気回路保護装置の第１端部を包み込んでおり、かつ、前記第４電気絶縁性支持基材上に配置されている前記電極と、前記第３電気絶縁性支持基材上に配置されている第１電極と、前記第２電気絶縁性支持基材上に配置されている第１電極とを電気的に接続している第１導電性終端部と；
当該電気回路保護装置の第２端部を包み込んでおり、かつ、前記第３電気絶縁性支持基材上に配置されている第２電極と、前記第２電気絶縁性支持基材上に配置されている第２電極と、前記第１電気絶縁性支持基材上に配置されている前記電極とを電気的に接続している第２導電性終端部と；
を含む表面実装可能な電気回路保護装置。 A surface mountable electrical circuit protection device,
A first electrically insulating support substrate having one electrode disposed on the first surface;
A second electrically insulating support substrate having a first end and a second end, wherein the first electrode is disposed on the first surface, and the second electrode is disposed on the second surface. The first electrode disposed on the first surface of the second electrically insulating support substrate extends to the first end instead of the second end of the second electrically insulating support substrate. The second electrode arranged on the second surface of the second electrically insulating support substrate extends to the second end instead of the first end of the second electrically insulating support substrate. An insulating support substrate;
A third electrically insulating support substrate having a first end and a second end, wherein the first electrode is disposed on the first surface, and the second electrode is disposed on the second surface. The first electrode disposed on the first surface of the third electrically insulating support substrate extends to the first end instead of the second end of the third electrically insulating support substrate. The third electrode, wherein the second electrode disposed on the second surface of the third electrically insulating support substrate extends to the second end instead of the first end of the third electrically insulating support substrate. An insulating support substrate;
A fourth electrically insulating support substrate having one electrode disposed on the first surface;
A first layered PTC element made of a polymer in which conductive particles are dispersed, wherein the first electric insulation is disposed between the first electrically insulating support substrate and the second electrically insulating support substrate. A first layered PTC element electrically connecting the electrode disposed on the conductive support substrate and the first electrode disposed on the second electrically insulating support substrate;
A second layered PTC element made of a polymer in which conductive particles are dispersed, wherein the second electric insulation is disposed between the second electrically insulating support base and the third electrically insulating support base. A second layered PTC element that electrically connects the second electrode disposed on the conductive support substrate and the first electrode disposed on the third electrically insulating support substrate;
A third layered PTC element made of a polymer in which conductive particles are dispersed, wherein the third electric insulation is disposed between the third electrically insulating support base and the fourth electrically insulating support base. A third layered PTC element that electrically connects the second electrode disposed on the conductive support substrate and the electrode disposed on the fourth electrically insulating support substrate;
The first end of the electrical circuit protection device is wrapped around, and the electrode is disposed on the fourth electrically insulating support substrate, and is disposed on the third electrically insulating support substrate. A first conductive termination that electrically connects the first electrode and the first electrode disposed on the second electrically insulating support substrate;
A second electrode surrounding the second end of the electrical circuit protection device and disposed on the third electrically insulating support substrate; and disposed on the second electrically insulating support substrate. A second conductive termination that electrically connects the second electrode being electrically connected to the electrode disposed on the first electrically insulating support substrate;
Surface mountable electrical circuit protection device including
JP2004028565A 1999-02-22 2004-02-04 Ptc circuit protective device Pending JP2004193626A (en)

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