Permanent and Transient Radiation Effects on Thin-Oxide (200-A) MOS Transistors
Author | : Stewart Share |
Publisher | : |
Total Pages | : 24 |
Release | : 1976 |
ISBN-10 | : OCLC:227433336 |
ISBN-13 | : |
Rating | : 4/5 (36 Downloads) |
Download or read book Permanent and Transient Radiation Effects on Thin-Oxide (200-A) MOS Transistors written by Stewart Share and published by . This book was released on 1976 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: An approach for hardening metal oxide semiconductor (MOS) transistors to ionizing radiation by reducing the thickness of the gate oxide is presented. It is shown that Si gate, n-channel MOS field-effect transistors with oxides 200 A thick continue to operate in the enhancement mode after irradiation to 1,000,000 rads (Si) with a positive bias applied to the gate during the irradiation. This represents a considerable improvement over conventional thick-oxide (approximately 1000-A) devices, which go into the depletion mode of operation at 100,000 rads (Si). The thin-oxide devices after exposure to pulsed ionizing radiation showed improved performance over that of thick-oxide devices. It was found also that device operation following irradiation depended on the source-drain spacing (Channel length): Shortening the channel length leads to an increased shift of the threshold voltage induced by irradiation. (Author).