Semiconductor Chemical and Gas Manufacturers Group

The Chemical and Gas Manufacturers Group is a special interest group of SEMI made up of members who produce, package and/or distribute chemicals or gases used in micro-electronics applications.  CGMG is the driver behind a number of materials-related initiatives.  The group also produces events and guides SEMI on materials-related issues.

Upcoming Events

SEMICON China 2017

March 14-16 in Shanghai

SEMICON SE Asia 2017April 25-27 in Penang, Malaysia
SEMICON West 2017July 11-13 in San Francisco, Calif.
SEMICON Taiwan 2017Sept 13-15 in Taipei

All Upcoming Events

Total Equipment Revenue Chart

CGMG/ Industry News

CGMG Industry News Archive



CGMG Wants to Hear from You 

The CGMG identifies opportunities where member companies and other partners can work together on a pre-competitive basis to reduce redundancy or duplication of efforts, or to establish standards that will benefit the industry. If you have a topic you would like the CGMG to address, contact


CGMG: Working Together to Design the Future

Gene Karwacki
Air Products & Chemicals
CGMG Chairman
CGMG Members 

The CGMG is a group within SEMI that represents the interests of chemicals and gases suppliers to the semiconductor industry. Our mission is to provide a common voice for CGMG members and to ensure that their interests are represented in SEMI’s public policy, advocacy, exhibition, and communications programs. Read more


Who We Are

Mike Corbett
Mike Corbett
Linx Consulting

The Chemical and Gas Manufacturers Group (CGMG) is the only advocacy group dedicated to the interest of suppliers of electronic chemicals and materials. The group is managed and actively led by a group of individuals who see the benefits of collaboration and believe that many of the most pressing issues can be better addressed through an industry forum.. Read more

Ship-to-Control Issues

CGMG SMTF Overview (48KB PDF) 
January 2008 A “Ship to Control” supply position is a growing expectation of material suppliers to the IC manufacturing industry. SEMI has adopted standard guidelines (SEMI C64-0308) for suppliers to follow in developing control limit calculation procedures that can be used as a basis for lot approval procedures.

Ship to Control Process Limits (853KB PDF)
In recent years there has been a growing push by IDM’s to require suppliers to provide materials that are in statistical control. When a material is not in statistical control and within the nominal material specifications there are several possibilities.

CGMG Information

For more information, contact: