在检验前是否测试防焊的粘性以确保品质？
Is the viscosity of the solder mask after preparation checked to ensure the quality?
以及分割该封装胶体、该第一图案化防焊层与该第二图案化防焊层。
At least one molding compound is formed and the molding compound, the first patterned solder resist layer and the second patterned solder resist layer are separated.
PCBA表面三防涂覆、堤坝工艺、涂防焊胶、DIP元件加固等。
PCBA conformal coating, dam process, Solder mask coating, DIP Component fixing.
影响印制板表面电阻的因素包括印制板材料、有无涂层(例如防焊漆或保形涂层)，以及电路板的清洁。
Factors that affect the surface resistance of the board include the board material, the presence of coatings such as solder masking or conformal coatings, and board cleanliness.
该防焊层形成于该可挠性介电层上，以局部覆盖该些引脚，并依不同应用可覆盖或显露该补强金属图案。
The solder mask layer is formed on the flexible dielectric layer to locally cover the pins and to cover or expose the reinforced metal patterns according to different application.
一种改善变形的半导体封装基板，主要包括一可挠性介电层、多数个引脚、至少一补强金属图案以及一防焊层。
A semiconductor package substrate for preventing deformation mainly comprises a flexible dielectric layer, a plurality of pins, at least one reinforced metal pattern and a solder mask layer.
从理论和工艺上分析滚筒齿座开焊的原因、气孔的产生和怎样减少气孔生成、冷裂现象生成及其予防。
This paper analyses theoretically and technologically, the reason of barrel tooth holders sealing off , of produced gas hole and cold crack.
为减少磨损，沸腾炉内蒸发管采用加焊半圆形钢板防磨。
Semicircle steel sheets were welded on the wall of evaporation pipes in fluidized bed roaster for anti-abrasion.
我们生产各种防音箱。机箱。机柜。生产流水线、波烽焊。锡炉制作。花架、公交站台。、不锈钢装饰工程。
We produce a variety of anti-speakers. Chassis. Cabinets. Production line, wave soldering fung. Tin furnace production. Flower, bus station., Stainless steel decorative works.
从理论和工艺上分析滚筒齿座开焊的原因、气孔的产生和怎样减少气孔生成、冷裂现象生成及其予防。
This paper analyses theoretically and technologically, the reason of barrel tooth holders sealing off, of produced gas hole and cold crack. Especially, the writer has fourd the way to avoid them.
编织及特点：防眩护栏网经编焊而成，有耐腐蚀、抗老化、耐酸碱、不退、表面平整、光亮、耐侯等特点。
Weaving and characteristics: Anti-glare Fence warp welding, including anti-corrosion, anti-aging, acid and alkali, non-fading, surface smooth and bright, weather and so on.
编织及特点：防眩护栏网经编焊而成，有耐腐蚀、抗老化、耐酸碱、不退、表面平整、光亮、耐侯等特点。
Weaving and characteristics: Anti-glare Fence warp welding, including anti-corrosion, anti-aging, acid and alkali, non-fading, surface smooth and bright, weather and so on.
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