Polyonics Introduces High Temperature Bonding Systems for Static Sensitive Devices

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Polyonics has introduced a series of double-coated tapes that are designed to protect SSD (static sensitive devices). The tapes are well suited for SMT (surface mount technology) applications and provide a strong, thin conformal bond line while generating a very low peel voltage.

Polyonics Double Coated Engineered Tapes

Polyonics double-coated tapes provide exceptional bond strength with a thin conformal bond line and protection of static sensitive devices.

Polyonics double-coated tapes are ideal for bonding static sensitive devices (SSD) that will be exposed to extremely high temperatures and harsh manufacturing environments. This includes areas where the presence of electrostatic charges must be minimized. The tapes offer additional stiffness compared to transfer adhesives that, when combined with liners, allows die cutting and auto-application.

The double-coated REACH and RoHS tapes are resistant to those chemicals typically found in electronics manufacturing and remain dimensionally stable at elevated temperatures. In addition, they provide excellent electrical properties, including high dielectric strength, which provide electrical insulation and isolation. Polyonics double-coated tapes offer exceptional bond strength and provide a thin, conformal bond line to increase the overall integrity of joints.

The construction (diagram top) right shows the double-coated ESD composite construction. Both high temperature acrylic (<500°C) and ultra-high temperature silicone (<537°C) pressure sensitive adhesives (PSA) are laminated to both sides of a 1mil low voltage polyimide ESD film. A variety of are available that add additional stiffness to help to suit most die cutting processes.

The ESD tapes use TriboGard™ technologies to produce low peel voltages (<100v) when the liners are removed prior to bonding parts to substrates (peel voltage chart bottom right). This helps prevent the generation of electrostatic charges during assembly and a spike in current that could damage the component or device.

For more information or to receive samples to test in your processes, contact Dave Genest at tape.expert(at)polyonics(dot)com.

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Dave Genest
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