This is a film that can be sintered through firing processing.
Our sintered film is primarily used for digital TV antennas in automobiles, enabling the formation of robust antennas on materials such as glass. Additionally, by shaping conductive lines, it can be applied as a high-temperature heater and can provide non-peeling product management codes or designs for products that require sintering processing. [We offer contract manufacturing of wiring formation technology] If you have any issues with manufacturing, please feel free to contact us.
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basic information
■Composition of the Firing Film By firing a functional layer made of inorganic materials and a resin layer and adhesive layer made of organic materials at a temperature of 500°C or higher, the organic materials are thermally decomposed, allowing only the functional layer made of inorganic materials to be sintered onto the substrate. ■About the Functional Layer Through firing, only the inorganic materials of the functional layer are sintered onto glass, ceramics, or metals. Inorganic materials used in the functional layer can include metals, inorganic pigments, and ceramics. Different functions can be imparted depending on the materials used for the functional layer. - Conductive materials such as metals: antennas and high-temperature heaters - Black pigments: manufacturing management codes, product labeling, quality indicators, caution signs, etc. - Multicolored pigments: ceramic photographic images, etc. ■Achievements in Firing Processing The firing time for the substrate can accommodate both long and short durations. - Achievements with long firing times: formation of the partition wall in the plasma discharge section of plasma displays - Achievements with short firing times: antennas for automotive digital televisions We can handle intense stresses such as thermal expansion and contraction during heating and cooling while maintaining the product's characteristics, quality, and functions. Additionally, depending on the choice of ceramic materials, the durability after firing is outstanding, and it meets very stringent automotive standards.
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Applications/Examples of results
■Automotive Antenna The transfer film used for automotive digital TV antennas and FM antennas has a structure where the conductive layer is sandwiched between black layers, providing excellent design qualities. It is a film that allows for high-speed firing and simultaneous multi-layer firing tailored to the manufacturing line, capable of accommodating various antenna patterns. We also offer dedicated transfer devices. ■Design Labels for Glass This is a fired design label that enables high-speed automatic application using existing labelers without water adhesion or special treatments. It can create rich color tones and images that are difficult to express with conventional direct printing, such as multi-color and gradation effects. ■Electronic Components Leveraging the ability to create three-dimensional wiring on fine wires, uneven surfaces, curved surfaces, and edges, applications for LTC ceramic substrates and grid electrodes for solar cells are anticipated.
Company information
TOPPAN Infomedia is a company that has grown significantly through the fusion of the manufacturing expertise of Toppan Label Co., Ltd., which has been engaged in label production for many years, and TMP Co., Ltd., a leader in the magnetic media industry that also manufactured IC cards. By combining manufacturing technologies of completely different products, we have created new value. Moving forward, we will continue to create "what doesn't exist yet, starting from here" based on the various technological capabilities we possess.