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Lead-free Reflow Profile: Soaking type vs. Slumping type

2017-06-24

Reflow soldering is a process by which the solder paste is heated and changes to a molten state in order to connect components pins and PCB pads together permanently.

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Low-Cost Kitted PCB Assembly Services

2017-06-23

A kitted assembly service is an economical way to manufacture PCBs. In this service, the client provides the PCBs and the components to Shenzhen Grande Electronic, who then places them on the PCB, assembles the boards and ships them to the designated loca

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Inexpensive SMT Assembly in China

2017-06-22

Shenzhen Grande Electronic offers inexpensive SMT assembly in China with the support of its talented workforce. You can contact us with your precise requirement and we will be glad to serve you as per your unique specifications. We have employed qualified

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PCB Fabrication: Inexpensive 4 Layer PCB Prototyping

2017-06-21

henzhen Grande Electronic has exclusive capabilities and talented workforce which enables to offer inexpensive 4 layer PCB prototyping services. Consumers from different regions contact us with varied specifications and to fulfill the desire of cost-effec

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How to Solder a Surface Mount Device to a PCB Pad

2017-06-20

Surface mount devices (SMD) are soldered to PCB pads located on the surface of the board, rather than on the bottom of the board via through-hole connections. To solder SMDs to the surface of the board requires solder, flux applicator/pen, soldering tool

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How to Review BOM and Gerber Files?

2017-06-19

Shenzhen Grande Electronic has capable engineers to meet the committed tasks of the customers. We only need your requisite bill of materials (BOM) and Gerber files to review. Some customers will contact us due to our stringent adherence to prescribed guid

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PCB Layout: How To Place Diodes Using Silk Screen Marks

2017-06-16

PCB Layout Diodes are polarized components that must be placed on a PCB in a certain way. However, a board that has a (+) silk screen marking is not enough information to tell the assembly house how to correctly insert a diode because there are different

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PCB Assembly: How to optimize the reflow profile?

2017-06-15

According to the recommendation by the IPC association, the generic Pb-free solder reflow profile is shown below. The GREEN area is the acceptable range for the whole reflow process. Does it mean that every spot in this GREEN area should fit your board re

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PCB Assembly: How to Maintain a Reflow Oven?

2017-06-14

Proper reflow overn maintenance can extend its life cycle, keep the machine in good condition, and improve PCB Assembly production efficiency and product quality. One of the most important tasks for properly maintaining a reflow oven is remove the built-u

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How to get real-time thermal data for a PCB?

2017-06-13

Althoughthereisathermaldatatestingfunctionforourreflowoven,ShenzhenGrandeElectronic stillusesahigh-end,off-line,KICthermalprofilerasourkeyinstrumentforoptimizingth

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