Static Dissipative Products with Thermal Capabilities to 520ºF (270ºC)

Semitron ESd is a family of static dissipative products designed for use where electrical discharge in operation is a problem. They are commonly used for sensitive electronic components including: integrated circuits, hard disk drives and circuit boards. Semitron products are also an excellent choice for material handling applications, and components in high speed electronic printing and reproducing equipment.

Semitron ESd products are inherently dissipative (see table below). They do not rely on atmospheric phenomena to activate, nor are surface treatments used to achieve dissipation. Static electricity is dissipated through these products as readily as it is dissipated along the surface. All of these products dissipate 5 KV in less than 2 seconds per Mil-B-8170C.

Semitron® ESd 225 - Static Dissipative Acetal

Semitron® ESd 225 is ideal for fixturing used in the manufacturing of hard disk drives or for handling in-process silicon wafers.

• Surface resistivity: 1010 - 1012 ohms/square
• Thermal performance to 225ºF (107ºC)
• Broad chemical resistance
• Good wear resistance

Semitron® ESd 410c - Static Dissipative PEI

Semitron® ESd 410c is ideal for handling integrated circuits through the test handler environment.

• Surface resistivity: 104 - 106 ohms/square
• Thermal performance to 410ºF (210ºC)
• Low stress for tight tolerance machining
• High strength and stiffness

Semitron® ESd 500HR - Static Dissipative PTFE

Reinforced with a proprietary synthetic mica, Semitron® ESd 500HR has all the benefits of Teflon* with additional strength and dimensional stability. Semitron® ESd 500HR should be considered wherever Teflon* PTFE is used. It is ideal for applications where controlled bleed off of static charges is critical.

• Surface resistivity: 1010 - 1012 ohms/square
• Thermal performance to 500ºF (260ºC)
• Thermally insulative Very low coefficient of friction

Semitron® ESd 520HR

Semitron® ESd 520HR has an industry first combination of electrostatic dissipation (ESd), high strength and heat resistance. This new ESd material is ideal for making nests, sockets and contactors for test equipment and other device handling components. The key features of 520HR are its unique ability to resist dielectric breakdown at high voltages (>100V). Typical carbon fiber enhanced products become irreversibly more conductive when exposed to even moderate voltage.

Wafer Combs

Wafer combs made of Semitron® ESd 225 eliminate transfer equipment discharge problems that cause millions of dollars in lost wafers every year. (Prior materials: Nylon, Standard Acetal)

Handling Trays

Trays manufactured from Semitron® ESd 410c dissipate static charges reliably and are dimensionally stable. (Prior materials: PPS, PEEK, Vespel* PI)

Inserts

Static dissipative inserts machined from Semitron ESd 500HR plate reduce damage to sensitive devices due to static discharge. (Prior material: Ceramic)

Semitron® ESd 410C

Semitron® ESd 500HR

Semitron® ESd 520HR

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