It enables the high capacity and long lifespan of aluminum electrolytic capacitors.
Shot has developed a new glass and process for GTAS(R) (Glass and Aluminum Sealing) that can hermetically seal aluminum (Al) with a high thermal expansion rate. In conventional hermetic terminals, the materials used were limited to Fe, SUS, FeNi, and KV due to the constraints of the thermal expansion rate of glass. In aluminum electrolytic capacitors and electric double-layer capacitors, sealing with rubber or resin does not achieve complete hermeticity, leading to issues such as electrolyte drying up and moisture intrusion from the outside, which result in reduced capacitance and a shorter lifespan. By using GTAS(R), customers can achieve complete hermetic sealing. This contributes to preventing capacitance reduction (miniaturization for the same capacitance, or increased capacitance for the same size) and extending lifespan.
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basic information
【Features】 Shot's GTAS(R) capacitor lid enables performance improvements and designs such as the following: • Wide temperature durability from -40°C to +150°C • Prevention of electrolyte evaporation • Reduction of time-dependent capacitance loss by up to 60% • Miniaturization of capacitor design • Increase in capacitance • Up to 20% reduction in electrolyte volume • Improvement of internal resistance by over 50% • Long product lifespan (Values vary based on capacitance design) 【Technology】 Since the 1930s, Shot has been manufacturing hermetic housings using glass-to-metal sealing (GTMS) technology. This technology has proven effective in battery covers for lithium thionyl chloride (Li-SOCl2) batteries and automotive sensor components. Based on over 20 years of experience in primary battery sealing, this innovative glass and aluminum sealing technology has been developed for lithium-ion batteries and capacitors that require long lifespans. *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
Aluminum electrolytic capacitor, electric double-layer capacitor
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Company information
Shot is an international technology group leading in the fields of specialty glass and glass-ceramics. With over 140 years of outstanding research and development, as well as a wealth of materials and expertise, we provide a wide range of high-quality products and intelligent solutions that contribute to our customers' success. Shot brings innovation to many industries, including home appliances, pharmaceuticals, electronics, optics, automotive, and aerospace. Shot aims to play a significant role in the lives of everyone. The core company of the group, Shot AG, is a wholly-owned subsidiary of the Carl Zeiss Foundation. Shot Japan Co., Ltd. was established in 1966 as the first sales subsidiary of the Shot Group in Asia. In February 2018, we integrated the Tokyo Sales Department, which sells optical glass, crystallized glass, thin glass, heat-resistant glass, glass tubes, optical fibers, and primary containers for pharmaceuticals, with the Mizuguchi plant, which develops and sells electronic packaging, to provide Shot's technology and products under a new structure.
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