SBOK090A January   2025  – April 2025 THVD9491-SEP

PRODUCTION DATA  

  1.   1
  2.   THVD9491-SEP Single-Event Effects (SEE) Radiation Report
  3.   Trademarks
  4. 1Overview
  5. 2Single-Event Effects (SEE) Mechanisms
  6. 3Test Device and Test Board Information
  7. 4Irradiation Facility and Setup
  8. 5Results
    1. 5.1 SEL Results
    2. 5.2 Event Rate Calculations
    3. 5.3 SET Results
  9. 6Summary
  10. 7References
  11. 8Revision History

4 Irradiation Facility and Setup

The heavy-ion species used for the SEE studies on this product were provided and delivered by the TAMU Cyclotron Radiation Effects Facility using a superconducting cyclotron and an advanced electron cyclotron resonance (ECR) ion source. At the fluxes used, ion beams had good flux stability and high irradiation uniformity over a 1in diameter circular cross-sectional area for the in-air station. Uniformity is achieved by magnetic defocusing. The flux of the beam is regulated over a broad range spanning several orders of magnitude. For this study, ion flux of 105ions/cm2 × s were used to provide heavy-ion fluences of approximately 107ions/cm2 for SEL testing and ion flux of 104ions/cm2 × s were used to provide heavy-ion fluences of approximately 106ions/cm2 for SET testing.

For the experiments conducted on this report, 109Ag ions at angle of incidence of 0° for an LETEFF of 47.5MeV × cm2/mg were used. The total kinetic energy of 109Ag in the vacuum is 15MeV/nucleon. Ion uniformity for these experiments was between 88% and 93%.

Figure 4-1 shows one of the three THVD9491-SEP test board used for experiments at the Texas A&M University (TAMU) Cyclotron Radiation Effects Facility. The in-air gap between the device and the ion beam port window was maintained at 40mm for all runs.

THVD9491-SEP THVD9491-SEP Evaluation Board at the TAMU K500 Cyclotron FacilityFigure 4-1 THVD9491-SEP Evaluation Board at the TAMU K500 Cyclotron Facility