Polymer Thick Film
Polymer thick film (PTF) products are inexpensive, lightweight, compact and environmentally friendly. They lend themselves to highly efficient manufacturing techniques. These factors have led to the continuing development of the technology and its use in increasingly complex areas. Just as the membrane touch switch is the solution of choice for input devices, the marriage of PTF and printed circuit board (PCB) technology is widely accepted as critical for the health of the PCB industry.
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Fodel®
Fodel® materials incorporate photosensitive polymers in the thick film. Circuit features are formed using UV light exposure through a photomask and development in an aqueous process. Fodel® dielectrics can pattern 75 micron vias on a 150 micron pitch, Fodel® conductors can pattern 50 micron lines on a 100 micron pitch. Fodel® materials extend the density capability of the thick film process to allow densities typically achievable using more costly thin film processes.
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Green Tape®
Green Tape™ material systems are centered around the efficient way of making multilayers by replacing the dielectric screen-printable paste with dielectric foils. A system of conductors has been developed to match the process and the tape dielectric.
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LuxPrint® paste
DuPont™ Luxprint® is a compatible system including phosphor, dielectric, Ag conductor, carbon conductor, translucent conductor and encapsulant compositions. DuPont™ Luxprint® is the premier materials system for manufacturing EL Lamps.
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