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:
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:
The present disclosure provides a shell,a method of preparing the same and the use of the shell. The shell includes: a base (1) made of ceramic; and a bending part (2) disposed connected with an edge of the base (1) and made of an amorphous alloy.
Abstract:
A defroster and vehicle are provided. The defroster includes: a housing (5) defining an air outlet (4), a heating device disposed in the housing (5), an air blower (1) defining a blowing outlet (11) and disposed in the housing (5), and an air duct (2) defining a duct inlet (22) and a duct outlet (23), the air duct (2) being disposed between the blowing outlet (11) and the heating device so that air blown out from the blower outlet (11) enters the air duct (2) via the duct inlet (22) and goes out of the air duct (2) via the duct outlet (23), then passes through the heating device to exchange heat with the heating device, and is discharged out of the housing (5) via the air outlet (4), wherein the area of the duct inlet (22) is different from that of the duct outlet (23).
Abstract:
A sealing assembly, a method of preparing the sealing assembly and a battery are provided. The sealing assembly comprises a metal ring (1) having a mounting hole therein; a ceramic ring (2) having a connecting hole therein and disposed in the mounting hole; and a core column (3) disposed in the connecting hole, wherein at least one of an inner circumferential wall surface of the metal ring, an outer circumferential wall surface of the ceramic ring, an inner circumferential wall surface of the ceramic ring and an outer circumferential wall surface of the core column is configured as an inclined surface, and an inclination angle of the inclined surface relative to a vertical plane is about 1 degree to about 45 degrees.
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.