国产国产人在线成免费视频

    <var id="tbxrt"><ins id="tbxrt"></ins></var>

        <big id="tbxrt"><listing id="tbxrt"></listing></big>
          <span id="tbxrt"><menuitem id="tbxrt"><dfn id="tbxrt"></dfn></menuitem></span>

          Shenzhen Grande Electronic Linkedin Page
          Shenzhen Grande Electronic Co., Ltd logo
          E-mail us for a Quote:
          sales88@greattong.com
          Call us now:
          +86-755-83261869

          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

          READ MORE

          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

          READ MORE

          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

          READ MORE

          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

          READ MORE

          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

          READ MORE

          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

          READ MORE

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

          2017-06-13

          Althoughthereisathermaldatatestingfunctionforourreflowoven,ShenzhenGrandeElectronic&nbsp;stillusesahigh-end,off-line,KICthermalprofilerasourkeyinstrumentforoptimizingth

          READ MORE

          How to Request a PCB Assembly Quote in China?

          2017-06-12

          Shenzhen Grande Electronic functions with the support of experienced resources and latest technology. So it is not difficult to request a PCB assembly quote from Shenzhen Grande in China. Many buyers contact us and request for circuit board assembly quote

          READ MORE

          How to Prevent the Tombstone and Open Defects during the SMT Reflow Process

          2017-06-10

          The tombstone phenomenon is a defect that occurs when passive SMT components are partially or completely lifted from the PCB pad. What usually occurs is that one end of chip is soldered on the PCB pad while opposite end of the chip stand ups vertically, l

          READ MORE

          How to Prevent Solder Joint Voiding and Cold Solder Defects

          2017-06-09

          Solder joint voiding is a phenomenon that causes empty spaces or voids to occur within the joint. Solder joint voiding often occurs on BGAs and larger pads. Voids are related to flux that’s entrapped in the joint, as well as paste oxidation.

          READ MORE
          Home About Us Services Quality Pb-Free News Contact Us


          Copyright ® 2017,Shenzhen Grande Electronic Co., Ltd. All Rights Reserved. 中文站 Sitemap

          国产国产人在线成免费视频

            <var id="tbxrt"><ins id="tbxrt"></ins></var>

                <big id="tbxrt"><listing id="tbxrt"></listing></big>
                  <span id="tbxrt"><menuitem id="tbxrt"><dfn id="tbxrt"></dfn></menuitem></span>