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Solder resists and conformal coating for companies of any size

High level of protection for electronic assemblies
Solder resists and conformal coating for companies of any size

Solder resists and conformal coating for companies of any size
Elpemer solder resist. Source: www.peterroskothen.de

Peters, a global leader in the field of electronics-related high-tech coatings for automotive electronics, aerospace engineering, and LED applications, will be attending productronica 2017 and displaying the solder resist Elpemer 2467 series and the Elpeguard SL 1307 FLZ/4 conformal coating.

Suitable for direct imaging and high temperature applications

 By now, the direct imaging technology has become state-of-the art in the pcb sector, even in small and medium-sized companies. The inconvenience of long process times that are still needed by some machine technologies can be compensated by choosing a solder resist with a high photo-reactivity. Applied by screen printing, curtain coating or spray coating, the products of the series Elpemer 2467 stand for practice-proven alkaline-developable solder resists which combine excellent direct imaging properties with high temperature resistance.

 In direct imaging, these products require no more than 60 mJ/cm2, or even less, of exposure energy; they are already used for series production on common DI units. Despite their reactivity, they offer a wide processing window. They also fulfill the requirement of a temperature cycling resistance of 1,000 cycles at –40 °C / +160 °C and a continuous temperature resistance of 1,000 hours at 160 °C. They are also able to withstand 175 °C, if needed. At productronica, there will be thermal transfer pastes shown that are specifically for thermal management of printed circuit boards, i.e. heat dissipation and thermo-mechanical decoupling.

 Outstanding adhesion to the substrate

 The conformal coatings of the series Elpeguard SL 1307 FLZ/4 display a good adhesion even on critical base materials. Achieved through a chemical reaction with the substrate, not only does this feature give excellent cross cut results and quickly dries at room temperature, but it also doesn’t affect the reparability and/or removal of the dedicated thinner.

The colorless and yellowing-resistant conformal coatings based on poly-acrylic resins fully comply with the requirements specified by IPC-CC-830B and MIL-I-46058C. They have been tested as class II coating “for a high reliability“ according to IEC 61086 and are listed as both UL Permanent Coating according to UL 94 and as Conformal Coating according to UL 746E.

productronica, Booth A2.317; B3.348

www.peters.de/en/home

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Titelbild EPP EUROPE Electronics Production and Test 11
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11.2023
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