Category Archives: PCB/FPC/PTF


Apr22
HotBar FPC Design Notices

post on April 22, 2015

The HotBar soldering is a kind of selective soldering solution where connect two pre-fluxed, solder coated parts by pulse heating element, call a “thermode”, with proper temperature to melt the solder and re-solder. Applying a pressure and contacting on the … Continue reading →

Design, PCB/FPC/PTF     WorkingBear    Views (11,543)     comment (0)
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Apr21
Design Guideline for Flex cable(FPC) Trace Pattern

post on April 21, 2015

Many FPCB designers may not be well-versed in the manufacturing process and its limitations. Workingbear have often come across designs that don’t meet DFx requirements, where designers insist on their approach, leading to numerous quality issues during mass production. In … Continue reading →

Design, PCB/FPC/PTF, Quality     WorkingBear    Views (5,579)     comment (0)

Apr20
Screen-Printing on PET(PolyEthylene Terephthalate) notices

post on April 20, 2015

The PTF uses silk-screen to print the silver and carbon combination conductive inks on PET substitute to reach lower cost purpose as compare with FPC (Flexible Printing Circuit). Unfortunately, the screen-printing still has some ability limits. Especially that it has … Continue reading →

Design, Manufacture, PCB/FPC/PTF     WorkingBear    Views (6,484)     comment (0)
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Apr20
What is PTF(Polymer Tick Film)? PTF introduction

post on April 20, 2015

Polymer Thick Film (PTF) flexible circuits are manufactured by screen-printing conductive ink onto flexible substrates such as PET (Polyethylene terephthalate). It can be single layer or multi-layers circuit by further screen-printing dielectric materials as insulating layer and applying through-hole technologies. … Continue reading →

PCB/FPC/PTF, Product Introduction     WorkingBear    Views (11,176)     comment (0)

Apr20
What potentials cause make HeatSeal Connector peel off?

post on April 20, 2015

Recently, there have been numerous instances of segment defects appearing on the display of the HSC (Heat Seal Connector) solution LCM, as reported from the field. Our experience has shown that the reliability of HSC bonding is not satisfactory, particularly … Continue reading →

Design, Manufacture, PCB/FPC/PTF, Quality     WorkingBear    Views (4,343)     comment (0)
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