Acronym

Definition

Meaning

AAS

Atomic absorption spectroscopy

ABS

Acrylonitrile butadiene styrene

ASO

Ag / Sn / O2

Silver Tin Oxide

AgSnO2

Ag / Sn / O2

Silver tin oxide

Ag

Silver

Chemical Symbol

BGA

Ball Grid Array

Bi

Bismuth

Chemical Symbol

CAF

Conductive anodic filament

Cd

Cadmium

Chemical Symbol

Cr (VI)

Hexavalent Chromium

Chemical Symbol

CRT

Cathode ray tube

CSP

Chip Scale Package

DEFRA

Department of the Environment, Food & Rural Affairs

UK Government environment ministry

DTI

Department of Trade & Industry

Key UK government department involved in RoHS compliance promotion

EC

European Commission

ED-XRF

Energy dispersive X-Ray fluorescence analysis

EEE

Electrical and electronic equipment

ELV

End of Live Vehicles

EU Directive

ESH

Environmental Safety & Health

FR4

A material used as a substrate for a PCB, made of fibreglass & epoxy

FTIR

Fourier transform infra-red (spectroscopy)

GCMS

Gas chromatography mass spectroscopy

HASL

Hot Air Solder Leveling

Hg

Mercury

Chemical Symbol

HPLC

High performance liquid chromatography

IC

Integrated circuit or ion chromatography depending on context

ICP

Inductively coupled plasma spectroscopy

IT

Information Technology

LFS

Lead Free Soldering

m.pt.

Melting point

MCV

Maximum Concentration Value

MLCC

Multilayer ceramic capacitors

MSL

Moisture sensitivity level

NiAu

Nickel / Gold

OEM

Original equipment manufacturer

Pb

Lead

Chemical Symbol

PBB

Polybrominated Biphenyls

Flame retardant chemical

PBDE

Polybrominated Diphenyl Ether

Flame retardant chemical

PCB

Printed Circuit Board

PVC

Poly vinyl chloride

QA

Quality assurance

RoHS

Restriction of the use of certain hazardous substances

EU Directive

SAB

Sn / Ag / Bi

Tin Silver Bismuth alloy

SABC

Sn / Ag / Bi / Cu

Tin Silver Bismuth Copper alloy

SAC

Sn / Ag / Cu

Tin Silver Copper alloy

SAC305

Sn / Ag 3.0% / 0.5% Cu

Alloy mix percentiles

SAC385

Sn / Ag 3.8% / 0.5% Cu

Alloy mix percentiles

SAC408

Sn / Ag 4% / 0.8% Cu

Alloy mix percentiles

SEM/EDX

Scanning electron microscope / energy dispersive X-ray analysis

SME

Small and medium sized enterprises

Sn

Tin

Chemical Symbol

TAC

Adaption Committee

EU Technical Committee

TCE

Thermal coefficient of expansion

TCF

Technical compliance file

Tg

Glass transition temperature

VOC

Volatile Octane Compound

WD-XRF

Wavelength dispersive X-Ray fluorescence analysis

WEEE

Waste electrical and electronic equipment

EU Directive