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Fr4 thermal conductivity

Fr4 thermal conductivity Fr4 thermal conductivity is very Low, compare with Aluminum PCB, Fr4 thermal conductivity is around 0.25W/m.k Aluminum PCB thermal conductivity Min. 0.8 w/m.k However, some LED lights, because the need for withstand voltage, the need for better withstand voltage with the better material, Many LED manufacturers [...]

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pcb countersunk hole

pcb countersunk hole   counter sink holes

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aluminum substrate pcb

Aluminum substrate pcb is a good heat dissipation function of the metal-based complex copper, the general single-sided structure composed of three layers, namely the circuit layer (copper foil), insulation and metal substrate. aluminum substrate pcb For high-end use is also designed for the double-sided board, the structure of [...]

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aluminum clad pcb

Aluminum clad pcb Layer: 1 L Thickness: 1.6mm+/-0.15mm Solder Mask:White Surface Finished: ENIG Application: LED Lighting

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Design and Production Technology of rigid flex pcb ( 2 )

A PCB is a printed circuit board that contains one or more rigid regions and one or more flex regions on a printed circuit board. It can be divided into a flexible layer with reinforced layer and rigid-flex joint multilayer pcb, and other different types.   8 Layers rigid [...]

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Design and Production Technology of rigid flex pcb ( 1 )

1. Reveiw The demand for portable electronic products such as hard disk drives, floppy disk drives, mobile phones, laptops, cameras, camcorders, PDAs and other consumer electronics such as electronics, industrial, medical equipment, 3G mobile phones, LCD TVs and other consumer electronics are constantly expanding. Equipment is becoming more and [...]

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The solution of impedance matching technology can not match the via holes size

Impedance matching technology solution Global LTE smart phone shipments, network configuration and spectrum allocation is now growing rapidly, and 3GPP Telecommunications Standards Organization has been allocated for the LTE standard more than 40 bands. As the number of users and traffic load continues to increase, leading carriers such as [...]

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The cost of PCB raw material continuely rise, it is more than 30%

First, an overview of the incident Recently, according to the China Chemical and Physical Power Industry Association released information, including copper foil, electrolytic solvents, cobalt salts and other lithium battery raw material prices rose significantly, of which the solvent market sharp rise, DMC prices are reported at 8,500 RMB [...]

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led thermal management

LED Thermal Management The term LED means Light Emitting Diode and is perhaps one of the biggest sensations in the world of lighting. LED based on the nature of its functioning has many inherent advantages. It has significantly smaller footprint, higher efficiencies and lasts a long time. It therefore [...]

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You had never heard of 3D microwave technology

You've never heard of 3D microwave technology When the 3D movie has become the preferred cinema viewing, when the 3D print has spread to the binaural wireless Bluetooth headset, a called "3D microwave" technology also quietly. First heard "3D microwave", you may be at a loss, this 3D microwave [...]

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