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Showing posts with the label Medical

Ceramic Feedthroughs For Hermeticity and Electrical Isolation Application

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In aerospace, electrical and medical equipment applications, maintaining hermeticity and electrical isolation is critical. Ensuring a reliable seal against environmental contaminants while facilitating the transmission of electrical signals requires sophisticated solutions.   Ceramic feedthroughs   have emerged as indispensable components, offering unparalleled performance in achieving hermeticity and electrical isolation in demanding environments. Ceramic feedthroughs serve as conduits for electrical signals, allowing them to pass through barriers such as vacuum chambers, pressure vessels, or hermetically sealed enclosures while maintaining a tight seal against moisture, gases, and other contaminants. This benefits makes ceramic feedthroughs essential in applications where need the reliability and durability.   Innovacera ceramic-to-metal feedthroughs insulators are made by high purity alumina ceramics and Metals are made by stainless steel, nickel, copper, nickel-iron a...

Ceramic-to-Metal Sealing

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  INNOVACERA offer customers a wide variety of vacuum-tight, hermetically sealed ceramic-to-metal, glass-ceramic and glass-to-metal components.   Ceramic-to-metal sealing products   not only have the characteristics of ceramic high temperature resistance, corrosion resistance, but also have the strength and toughness of metal. They are widely used in electronic aerospace, medical industry and other applications. The best customer service and effcient solution could be provided is INNOVACERA commitment. Ceramic-to-Metal Sealing Materials: Housing Material Insulator Conductor NiFe Alloys & NiFeCO (Kovar) 94%-99% Al2O3 Kovar ; Copper Cored Kovar 300 & 400 Series SST AlN 52 Alloy Cu and Cu Alloys BeO Inconel Inconel Stainless Steels 42, 46, 49 Alloys Hermetic Seal Properties: Hermeticity: up to 1×10-9 atm cc/sec He Working Temperature > 500°C depending on materials and geometry Insulation Resistance: Typically exceeds 1 GΩ @ 100 VDC Ceramic-to-Metal Sealing Feature...

Ceramic Vacuum Brazing: Unlocking the Potential of Ceramic to Metal Bonds in High-Tech Applications

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  Ceramic materials, with their high melting points and excellent insulating properties, present significant challenges when it comes to joining them with metals. Traditional welding methods often struggle to create strong and reliable bonds. However, advancements in joining technologies have introduced Vacuum Brazing as a highly effective solution. This process not only overcomes the limitations of ceramics but also leverages the benefits of both materials to create composite components.     Vacuum brazing is particularly advantageous due to its ability to join ceramics and metals at high temperatures in a vacuum environment, which minimizes oxidation and other unwanted reactions.  Ceramic-to-metal sealing  process often involves the use of a brazing filler metal, which can be tailored to the specific materials being joined. One such technique is Active Metal Brazing, where a reactive element in the filler metal, such as titanium in Ag-Cu-Ti, activates the cera...

Metallized Ceramic Insulators

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  INNOVACERA’s   metallized ceramic insulators   are made by ceramic combined with thick metal films through a metallization process. This combination of ceramic and metal results in insulators that can withstand harsh conditions and provide electrical isolation when needed. Metallization Spec.: Molybdenum/Manganese (Mo/Mn) metallization: 9-30um Ni plating thickness: 3-10um Metallized Ceramic Insulators Material Properties: No Item Unit Value 1 Purity % ≥95 2 Volume density g/cm3 ≥3.6 3 Water absorption % 0 4 Thermal conductivity W/m·K( 25℃) 22.4 5 Coefficient of thermal expansion X(10-6)/℃ (20-1000℃) 8.2 6 Flexural strength Mpa 340 7 Compressive strength Mpa 2103 8 Tensile strength Mpa 193 9 Hardness ROCKWELL 45N 78 10 Withstand voltage K Vac/mm 8.3 11 Dielectric constant @1MHz 9.1 12 Dielectric loss angle @1MHz 0.0004 13 Volume resistivity @25℃ 1×10-14 @500℃ 4×10-9 @1000℃ 5×105 Metallized Ceramic Insulators Features: 1. The ceramic material is with even texture, ea...

High Vacuum Ionization Gauge

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  The   high vacuum ionization gauge   manufactured by Innovacera measures vacuum degree, essential for labs, industry, and research. It operates via ionization under high vacuum, classifying into hot cathode, cold cathode, and radioactive types. By ionizing gas molecules in its chamber, it generates an electric current proportional to gas density, enabling accurate vacuum degree assessment. The working principle of the high vacuum ionization gauge is to utilize the ionization phenomenon of gas under high vacuum conditions. It consists of an ionization chamber and an electron collector. When gas molecules enter the ionization chamber, they are ionized by methods such as heating wires or electron beams to produce positive ions and free electrons. The positive ions are attracted to the electron collector by the electric field force, and the free electrons are accelerated and cause an electric current to flow. By measuring the magnitude of the current in the ionization chamb...