Abstract: The computer implemented method and computer program product provided in accordance with the present invention allows a user-company to consign and track corporate personal protective equipment, or “PPE,” assets to specific employees, suppliers, contractors, visitors, guests, and other authorized persons, as well as to control, manage, and validate the expiration period of PPE, and the entry and exit of PPE at any job sites and/or industrial and mining operations. The computer implemented method and computer program product use radio frequency identification, or “RFID,” technology via fixed control or mobile/portable control methodologies.

Abstract: The computer implemented method and computer program product provided in accordance with the present invention allows a user-company to consign and track corporate personal protective equipment, or “PPE,” assets to specific employees, suppliers, contractors, visitors, guests and other authorized persons, as well as to control, manage and validate the expiration period of PPE, and the entry and exit of PPE at any job sites and/or industrial and mining operations. The computer implemented method and computer program product use radio frequency identification, or “RFID,” technology via fixed control or mobile/portable control methodologies.

Abstract: The voltage tolerant circuit with improved latchup suppression includes: a diode device having a first end coupled to a source voltage node; a first NWELL guard ring surrounding the diode device; a diode coupled between a second end of the string of diodes and an output pad; a second NWELL guard ring surrounding the diode; and a transistor device coupled between the output pad and a substrate node. The NWELL guardrings disrupt the parasitic SCR operation by adding an additional N+ diffusion without affecting the substrate pump current delivered by the diode.

Abstract: The voltage tolerant circuit with improved latchup suppression includes: a diode device having a first end coupled to a source voltage node; a first NWELL guard ring surrounding the diode device; a diode coupled between a second end of the string of diodes and an output pad; a second NWELL guard ring surrounding the diode; and a transistor device coupled between the output pad and a substrate node. The NWELL guardrings disrupt the parasitic SCR operation by adding an additional N+ diffusion without affecting the substrate pump current delivered by the diode.

Abstract: A reliable method of testing a CMOS-based integrated circuit device having a low-impedance path between I/O pin(s) and GND for potential micro-latch-up. The test method detects a low impedance path between the integrated circuit device I/O pin(s) and GND(s) caused by a parasitic SCR that is not detectable using conventional latch-up detection test methods.