TH47073B - "Coated housing with excellent heat radiation properties used in electronic components." - Google Patents

Abstract

DC60 (01/10/45) Content disclosed herein is a casing for use with the components of electronic equipment that With a base material coated with a thermal radiation coating, it has thermal radiation properties on the face and back sides with a triangular difference T1 (=T1B-T1A) between the temperature T1A at the T1 position. of the coated housing used as a set of samples, and the T1B temperature at the T1 position of the base material without coating. overcoat which is used as The other sample had a value of 2.6 C or greater with that temperature being measured by use kit Evaluate the thermal radiation properties according to is shown in Fig. 1, and whereby it conforms to its basic properties (such as maintaining a airtight to cover prevent the device from ingress of water and dust and reduce its size and weight) while making it electronic equipment There is a decrease in internal temperature (Heat-radiating properties) Content disclosed herein is a casing for use with the components of an electronic device that comprises With a base material coated with a thermal radiation coating, it has thermal radiation properties on the face and back sides with a T1 delta (=T1B-T1A) difference between the temperature T1A at The T1 position of the glazed body used as a set of samples and the T1B temperature at position T1 of the base material without the coating. overcoat which is used as The other sample had a value of 2.6 °C or more with that temperature being measured by use kit Evaluate the thermal radiation properties according to is shown in Fig. 1, and whereby it conforms to its basic properties (such as maintaining a airtight to cover prevent the device from ingress of water and dust and reduce its size and weight) while making it electronic equipment There is a decrease in internal temperature (has heat radiation properties)

Claims (9)

Claims (all) which will not appear on the classifieds page : 1. Coated housing for use with various components. of electronic devices that have Excellent heat dissipation properties, which are characterized by It is a coated frame on the front surface and The back of the base material is covered with a heat-dissipating coating containing the substance. Enhanced exothermic properties with a thickness of 2 um and no such heat dissipation coating. A filler component with conductivity other than carbon black only and total infrared radiation (wavelength 4.5 to 14.50 um) when heated to 100 degrees. Celsius to the aforementioned coating According to equation (1), a x b>-0.42 ...(1) where a is the total amount of infrared radiation of the coated enclosure covered by the surface. The heat dissipation coating on the front b is the total amount of infrared radiation of the coated body covered by the surface. Heat dissipation coating on the back 2. The casing of claim 1 makes a>_0.65 and/or b>_0.65, where a: is the total amount of infrared radiation emission from the front surface of the material. The substrate is covered on one side of the thermal radiation coating in the order described above, and b: is the total amount of infrared radiation emission from the back of the substrate that is Covered with the other side of the heat radiation coating in the order mentioned above. 3. The casing of claim 1 or 2, where the difference (AB) between the maximum A and the B minimum of the spectral emission in the wavelength range of 4.5 to 15.4 µm is 0.35 or less. than 4. The glazed body of any of the claims 1 to 3, where at least At one end of the thermal radiation coating in the order discussed above, titanium oxide is approximately 50 to 70 percent of the heat radiation additive and is 25 to 30 micrometers thick. 5. The glazed body of any one of the claims 1 to 3 of which at least one The thermal radiation coatings in the order discussed above consist of at least Carbon black is a heat-radiating black additive. where at least one of the coatings The heat radiation in the order mentioned above consists of a blackening additive; and at the same time fulfills equation (2) as follows; (X-3)x (Y- 0.5) >_15 ...(2) where X represents the amount (percent by mass) of the blackening additive that It is composed of a thermally radiated coating, and Y stands for the thickness (micrometer) of the coating. 6. The glazed body of Claim 5, which complies with equation (3), follows: 4<_X<15 ...(3) where X is the amount (percent by mass) of the darkening agent that Assembled in the coating radiant heat 7. The casing of Claim 5 or 6, where additives with radiation properties The heat that produces black has an average particle size of 5 to 100 nm. 8. The casing of Claims 1 through 7, wherein the resin used Forming the aforementioned thermal radiation coatings It is a hydrophobic resin whose contact angle with water is 30 or more. 9. The coating body of Claim 8, where the hydrophobic resin mentioned above is polyester resin 1 0. The coating body of which Claim? Clause 1 of Claims 1 to 9 as amended Better in terms of scratch resistance and fingerprint resistance. by covering the radiated coating The aforementioned heat with a translucent glaze 1 1. The lacquered body of claims 1 to 10, provided that the base material is a treated sheet metal for a chrome-free surface; and in addition to this The radiated coating also contains corrosion inhibitors 1. 2. The casing of one of claims 1 to 11, which can be Used as a frame for parts of electronic equipment 1 3. Parts for electronic equipment that have a heating element installed in an empty space that It is enclosed, which consists of part or all of the frame walls of the glazed body for the parts. of electronic equipment as claimed in one of Claims 1 to 12.