Making reliable field emitter devices is challenging. Our methods lead to field emitter array operation under low voltages (less than 20 V) and high current densities (around 50 A/cm2) using self-assembly and soft film anode-cathode isolator, and field emitter devices with ~4.5 A/cm2 current density with a turn-on voltage less than 50 V using electron beam lithography and oxide anode-cathode isolator. Different anisotropic dry etching recipes are developed to achieve emitters with different sharpness and aspect ratios. Gated and ungated field emitters are fabricated with self-assembly technology and electron beam lithography. In this work, novel methods for implementing nanoscale field emitter arrays used in vacuum electronics are proposed. No semiconductor technology can compete with vacuum technology to deliver such performance. Consequently, a vacuum transistor, if designed correctly, can achieve THz frequency performance, while delivering Watt-level powers. Vacuum is the ultimate conduction media allowing electrons to reach the speed of light without any scattering. Other problems such as reliability and lack of integration capability require alternative solutions to what has been proposed so far. Some of these issues may be addressed by going to nm scale fabrication that did not exist 60 years ago. The main issues with this technology are its high voltage requirement and high-power consumption, difficult and costly fabrication technology, lack of integration capability, and poor reliability characteristics. Today, there are only a few niche applications for vacuum electronics. To learn more about our High Voltage, High Frequency Transformers capabilities, contact Agile Magnetics today.The arrival of Si transistors and integrated circuit technology more than half a century ago made vacuum electronic technology almost extinct. Our High Voltage, High Frequency Transformers can be built to UL, CUL, VDE, and CE standards, and can feature UL and CUL markings when requested. The finest quality in the industry is guaranteed with our ISO 9001:2008 and AS9100 certifications. We also perform 100% computer testing for each High Frequency, High Voltage Transformer we manufacture, with full lot data included with every packing slip when requested. No matter which options our clients choose, our High Voltage, High Frequency Transformers are designed and manufactured to fully comply with RoHS and other standards.Īgile Magnetics employs computer modeling for all custom-designed High Voltage, High Frequency Transformers with our proprietary software, allowing for all electrical specifications to be included beginning with the design phase. The applications for High Frequency, High Voltage Transformers are increasing with new applications for alternative energy generation such as wind turbines, for hybrid autos, and a wide array of other industrial applications in transportation (braking systems), manufacturing, waste cleanup (electrostatic precipitators), and plasma generation. They are often found in high level applications, such as power supplies and lasers. With more than 20 years of experience in providing customers with the industry’s best transformers, our team at Agile Magnetics is well equipped to help you select the best High Voltage, High Frequency transformer for your job.Īt our 40,000 square foot home in Concord, New Hampshire, our engineers use a fleet of new equipment to design and manufacture the finest quality products.įor heavy duty applications, the High Voltage, High Frequency Transformers are able to accommodate 15,000 volts with the highest levels of safety and accuracy. High Voltage, High Frequency Transformers Single and 3-Phase Transformers in Enclosures.High Voltage, High Frequency Transformers.
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