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
- Mass production for SARS-CoV-2 gas sensor from NSF RAPID.
- 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) ME 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
- Low-Temperature (<100C) Deposition of Ferrite Films for RF, Microwave, and Power Applications
- Frequency covered up to 3 GHz
- Maximum size: 24 inches diameter (Spin-spray), 2 feet × 3 feet (Linear-spray)
- Thickness: Up to 10 microns on PCB, Si, Ceramics, glass, transparencies, Mica, etc
- Compositions: (Ni, Zn)-Ferrite, (Ni, Co, Zn)-ferrite, (Mn, Zn)-Ferrite, etc.
- Brochure with detail information
- 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
Products
- Metallic films
- Magnetic films
- Ferrite films
- Integrated antennas
- Tunable phase shifters
- Wave absorbers
- Tunable band-pass filters
- Tunable band-stop filters
- Tunable inductors and transformers
- Energy-harvesting devices and systems
- Magnetostriction tester for thin film and bulk magnetic materials
- B-H looper for fast magnetic hysteresis measurements
- Permeameters for measuring permeability between 1MHz ~ 18 GHz
- Biomedical sensors and sensing systems
Materials Growth
- 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 (Brochure)
PCB Prototyping Services
PCB prototyping (designed and finished in a few hours) Applications range from analog to RF. Machinery is equipped with a high-speed spindle and ultra-fine resolution (0.5μm).
Major Characterization Services
- Radiant ferroelectric testing
- Broadband magnetoelectric testing
- Narrowband magnetoelectric testing
- Magnetostriction testing
- Broadband 0.5 ~ 15 GHz frequency-sweep permeameter
- Magnetic domain observation by magneto-optical Kerr imaging
- BH Loop testing
- Lakeshore vibrating sample magnetometer (VSM)
- X-ray diffraction (XRD)
- Scanning electron microscopy (SEM)
Lab Machinery and Equipment
Electromagnets and Power Supplies
RF Mag 26 – Permeameter / FMR Measurement System