Products & Services

With more than 10 years of experience, Winchester Technologies provides extensive services to meet the industry’s growing needs in areas such as the design, fabrication, and characterization of different RF/microwave magnetic materials, devices, and subsystems. The following is a list of testing, prototyping, and characterization services, as well as a list of sample products.


Highlight Technologies

      • Ultra-sensitive hand-held mobile gas sensors for various purposes
        • Development of SARS-CoV-2 gas sensor with funding from the industry, NIH and DARPA
        • Early screening of lung cancer through sensing the biomarker volatile organic compounds from exhaled breath
        • Early screening of dementia through sensing the biomarker volatile organic compounds from exhaled breath
        • Monitoring of substance abuse through sensing the biomarker volatile organic compounds from exhaled breath
        • Detection of trace amount of controlled substances, such as opioids, explosives, etc.
      • NEMS Magnetoelectric Antennas for RF, Microwave, and Bio-medical applications
        • Frequency coverage from MHz to GHz (VHF and UHF)
        • 1 to 2 order size reduction
        • Ground plane immunity from metallic surface or the human body
        • Integrated capability to CMOS technology
        • Highlight news on NATURE and SCIENCE
        • First Prize: Nasa Tech Briefs – Create the Future Design Contest
          (In electronics/sensors/IoT category with over 800 entries from 60 countries)
      • Ultra-compact Very Low Frequency (VLF) Magnetoelectric Antenna Communication Systems
        • 1 to 2 order size reduction
        • Ground plane immunity from metallic surface or the human body
        • For harsh environment such as Underground, Underwater, and Hypersonic Flight
      • Conformal Compact Magnetodielectric Antenna for HF and VHF Communication
        • 1 to 2 order height reduction (Conformal and planner)
        • Ground plane immunity from metallic surface or the human body
        • 3 to 6 dBi antenna gain comparable with off-the-shelf antennas
        • Scalable frequency coverage from tens of 3MHz to 300MHz (High Frequency to Very High Frequency)
      • Low-Temperature (<100C) Fast Deposition of Ferrite Films for RF, Microwave, and Power Applications
        • Frequency covered up to 3 GHz
        • Maximum size: 24 inches diameter (Spin-spray)
        • Thickness: Up to 10 microns on GaAs, PCB, Si, Ceramics, glass, transparencies, Mica, etc
        • Compositions: (Ni, Zn)-Ferrite, (Ni, Co, Zn)-ferrite, (Mn, Zn)-Ferrite, etc.
        • Demonstrated thick PCBs with multilayered ferrite films with relative permeability of >40.
      • Ultra-sensitive NEMS Magnetoelectric Sensor for Pico-Tesla DC Magnetic Field Detection
        • Ultra-miniaturized, power efficient, high-sensitivity, and high-resolution
        • Integrated capability to CMOS technology

Deposition and Materials Growth Services

  • Automated 6-target physical vapor deposition (PVD)
  • Spin-spray and linear-spray of high-quality thin-film ferrite
  • Electrochemical plating
  • Sol-gel processing
  • Magnetic annealing – Capacity 25 wafers and up to 5 inches.

Major Characterization Services

  • Magnetostriction tester for thin film and bulk materials
  • Radiant ferroelectric testing
  • Broadband magnetoelectric testing
  • Narrowband magnetoelectric testing
  • Broadband 0.5 ~ 15 GHz frequency-sweep permeameter
  • Permeameters for permeability between 1MHz ~ 18 GHz
  • Magnetic domain observation by magneto-optical Kerr imaging
  • BH Loop for fast magnetic hysteresis measurements
  • Lakeshore vibrating sample magnetometer (VSM)
  • X-ray diffraction (XRD)
  • Scanning electron microscopy (SEM)

Lab Machinery and Equipment