Abstract:
A circuit board and a method for fabricating the same are provided. The circuit board comprises: an aluminum-based substrate; an alumina layer formed on at least one surface of the aluminum-based substrate; and a circuit layer formed on the alumina layer. The alumina layer comprises alumina and an element selected from a group consisting of chromium, nickel, a rare earth metal, and a combination thereof.
Abstract:
An electric heater, a defroster, a heating and air conditioning system and a vehicle are provided. The electric heater includes an outer frame (8); a heating core (100) disposed within the outer frame (8) and defining first and second ends (101,102), at least one of the first and second ends (101,102) being configured to connect to a power source; a sealing-waterproof glue member (l) disposed within the outer frame (8) and configured to encase the at least one of the first and second ends (101,102) of the heating core (100); wherein the heating core (100) includes: a plurality of heat dissipating components (3), a plurality of heating components (2), the heating components (2) and the heat dissipating components (3) being arranged alternately, adjacent heating component (2) and heat dissipating component (3) being spaced apart from each other and connected with each other via a thermally conductive silicone rubber, the heating component (2) including a core tube (21) and a positive temperature coefficient thermistor (22) disposed in the core tube (21).
Abstract:
A sound insulation composition and a sound insulation sheet for a vehicle are provided. The sound insulation composition includes 50 to 300 parts by weight of EPDM rubber, 10 to 300 parts by weight of mica powers, 10 to 300 parts by weight of dolomite, 2 to 15 parts by weight of a vulcanized agent, 3 to 60 parts by weight of a compatilizer, 30 to 300 parts by weight of a fire retardant, 0.2 to 3 parts by weight of a cross-linking agent, 10 to 80 parts by weight of a plasticizer, and 100 to 500 parts by weight of barium sulfate. The sound insulation sheet for the vehicle is made of the sound insulation composition mentioned above.
Abstract:
An LED support assembly and an LED module are provided. The LED support assembly includes: a metal heat sink(10), a first ceramic substrate(20)and a second ceramic substrate(30), the metal heat sink(10)defines an upper surface(11);the first ceramic substrate(20)is adapted to support a LED chip(40)and disposed on the upper surface(11)of the metal heat sink;the second ceramic substrate(30)is adapted to support electrodes(51,52)of the LED chip(40)and surrounds the first ceramic substrate(20).
Abstract:
A PTC electric heating assembly, an electric heating device and an electric vehicle are provided. The PTC electric heating assembly (2) comprises a first electrode assembly including a first fixed electrode; a second electrode assembly including a second fixed electrode; a PTC heating module (20) disposed between the first electrode assembly and the second electrode assembly; and an insulating layer (23) disposed on an outer surface of each of the first electrode assembly and the second electrode assembly; wherein an inner surface of at least one of the first fixed electrode and the second fixed electrode facing to the PTC heating module (20) is a vertical surface, an outer surface of the at least one of the first fixed electrode and the second fixed electrode facing to the insulating layer (23) is an inclined surface.
Abstract:
A Zr-based composite ceramic material, a preparation method thereof, and a shell or decoration are provided. The Zr-based composite ceramic material includes a zirconia matrix, a cubic Sr 0.82 NbO 3 stable phase, a Ca 10 (PO 4 ) 6 (OH) 2 phase, and a SrAl 12 O 19 phase, and the cubic Sr 0.82 NbO 3 stable phase, the Ca 10 (PO 4 ) 6 (OH) 2 phase and the SrAl 12 O 19 phase are dispersed within the zirconia matrix.
Abstract:
A metal-ceramic composite includes a ceramic substrate and a metallic composite. A groove is formed in a surface of the ceramic substrate and the metallic composite is filled in the groove. The metallic composite includes a Zr based alloy-A composite. A includes at least one selected from a group consisting of W, Mo, Ni, Cr, stainless steel, WC, TiC, SiC, ZrC and ZrO 2 . Based on the total volume of the Zr based alloy-A composite, the content of A is about30%to about70%by volume.A method for preparing the metal-ceramic composite is also provided.
Abstract:
A light emitting assembly and a method for preparing the light emitting assembly are provided. The light emitting assembly (100) includes: a copper heat sink (1); a ceramic substrate (2) having a mounting hole (6); a copper-oxygen eutectic layer (7) formed between the copper heat sink (1) and the ceramic substrate (2); a positive electrode (31) and a negative electrode (32) disposed on a surface of the ceramic substrate (2); an LED chip (4) disposed on the copper heat sink (1) and within the mounting hole (6), and electrically connected with the positive and negative electrodes (31, 32); and a fluorescent substance layer (5) covering the LED chip (4).
Abstract:
A PTC electric heating assembly (2) is provided, including two electrode plates (23) and a PTC heating module (20) disposed between the two electrode plates (23), and comprising an insulation fixing frame (22) and a plurality of PTC heating elements (21), the insulation fixing frame (22) defining a plurality of fixing units (220) and the PTC heating elements (21) being disposed into the fixing units (220) respectively. An electric heating device with said PTC electric heating assembly (2) is provided, including a casing (1) defining a plurality of thermal conducting grooves (160) and a medium circulating cavity (12) hermetically isolated from the thermal conducting grooves (160), and a plurality of PTC electric heating assemblies (2) are mounted into the thermal conducting grooves (160) respectively. An electric vehicle with said electric heating device is provided.
Abstract:
A Zr-based composite ceramic material, a preparation method thereof and a shell or a decoration are provided. The Zr-based composite ceramic material includes a zirconia matrix and a cubic Sr x NbO 3 stable phase dispersed within the zirconia matrix, where 0.7≤x≤0.95.
Abstract translation:提供Zr基复合陶瓷材料,其制备方法和壳体或装饰物。 Zr基复合陶瓷材料包括氧化锆基体和分散在氧化锆基体内的立方Sr x NbO 3稳定相,其中0.7≤x≤0.95。 p >