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Ptc Composition and Resistive Device and Led Llumination Apparatus Using the Same Cross-reference to Related Applications
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2017 |
| Abstract | A PTC composition comprises crystalline polymer and con ductive ceramic filler dispersed therein. The crystalline poly mer has a melting point less than 90° C. and comprises 5%-30% by weight of the PTC composition. The crystalline polymer comprises ethylene, vinyl copolymer or the mixture thereof. The vinyl copolymer comprises at least one of the functional group selected from the group consisting of ester, ether, organic acid, anhydride, imide or amide. The conduc tive ceramic filler comprises a resistivity less than 500 uS2-cm and comprises 70%-95% by weight of the PTC composition. The PTC composition has a resistivity about 0.01-5S2-cm and its resistance at 85°C. is about 10 to 10 times that at 25°C. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://patentimages.storage.googleapis.com/75/4d/58/d60d0bc1d2ed69/US20140306605A1.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |