نتایج جستجو برای: protection device

تعداد نتایج: 847393  

Journal: :Protection and Control of Modern Power Systems 2018

ژورنال: سلامت کار ایران 2015

Background and aims: The aim of this study is determining factors related to workers' use of hearing protection devices in Shoga factory Yaft Abad, based on Protection Motivation Theory. Methods: In this cross-sectional analytical study, 60 workers who were exposed to harmful noise selected among factory shifts by randomized sampling method. The questionnaire included 6 demographic questions, 8...

Journal: :Global Journal of Pure and Applied Sciences 2009

2005

Our evaluation considered VM specification version 1.0b and Interface Specification 0.95a. We also examined the integration of SPDC with the Advanced Access Content System (AACS) as defined by the AACS public specification revision 0.90 (dated April 14, 2005), along with supplemental slides and materials. We first note several flaws in the current version of the AACS specification, and further ...

2015
Bo Bae Song Byung Seok Lee

This paper proposed a silicon controller rectifier (SCR) based ESD protection device to protect low voltage ESD for integrated circuit. The proposed ESD protection device has low trigger voltage and high holding voltage compared with conventional SCR-based ESD protection devices. The proposed ESD protection circuit is verified and compared by TCAD simulation. This paper verified effective low v...

2009
Ming-Dou Ker

Two new electrostatic discharge (ESD) protection design by using only 1 × VDD low-voltage devices for mixedvoltage I/O buffer with 3 × VDD input tolerance are proposed. Two different special high-voltage-tolerant ESD detection circuits are designed with substrate-triggered technique to improve ESD protection efficiency of ESD clamp device. These two ESD detection circuits with different design ...

2008
Chun-Yu Lin Ming-Dou Ker

To mitigate the radio-frequency (RF) performance degradation caused by electrostatic discharge (ESD) protection device, low capacitance (low-C) design on ESD protection device is a solution. With the smaller layout area and small parasitic capacitance under the same ESD robustness, silicon-controlled rectifier (SCR) device has been used as an effective on-chip ESD protection device in RF ICs. I...

2012
Byung Seok Lee

This paper presents a SCR-based ESD protection devices for I/O clamp and power rail clamp, respectably. These devices have a low trigger voltage and high holding voltage characteristics than conventional SCR device. These devices are fabricated by using 0.35um BCD (Bipolar-CMOS-DMOS) processes. These devices were validated using a TLP system. From the experimental results, the device for I/O ES...

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