Tag Archives: standard

Proposed IEC Standard on Halogen Free Raises Concerns

Like the game of whack-a-mole, the idea of a standard for low halogen electronics keeps popping up. Originally, proposed as an IPC specification of chlorine and bromine in copper-clad laminates, IEC 61249-2-21 was established many years ago to define FR-4 products for halogen-free. Then about a decade ago, concerns about certain toxic Br containing flame […]

Industry Groups Concerned by Silica Standard; PCB Manufacturers Should Take Note

By Bret Bruhn, TTM Technologies; Fern Abrams, IPC The Occupational Safety and Health Administration’s (OSHA’s) new standard for silica dust, published March 24, 2016, cuts the allowable 8-hour time weighted average (TWA) exposure limit for silica dust from 100 mg/l to 50 mg/l.  Printed board manufacturing involves drilling and routing of laminates containing silica glass […]