Raw Materials

Silicon wafers will accumulate residual stresses during growth, cutting, grinding, etching, and polishing. Before processing, it is very important to analyze and test the raw material substrate. Alfa Chemistry is the world-leading materials characterization and engineering resource for semiconductors. Our analysis services provide valuable answers for semiconductor customers. Alfa Chemistry's material testing services are dedicated to providing customers in this field with the best information to help reduce development time and solve yield problems in the semiconductor manufacturing environment.

Our raw material inspection is a very critical step, which helps to ensure that the material meets the specifications and enables you to fully understand the nature of the raw material: Feature; Safety; Suitability.

Alfa Chemistry's Strength

Alfa Chemistry has many years of experience in providing the highest standards of testing with integrity, and cooperation with us will surely benefit you.

• We have an international network of laboratories and our staff are world-class experts in raw material testing.
• Our analysis forms are flexible and diverse, and can be used as a one-time service or as part of a broader testing program in the entire production chain.
• The lessons we have learned in the past material testing are another source of benefit for you.
• Our professional consultants can advise you on the specific benefits that raw material testing brings to your organization.

Alfa Chemistry Measurement Methods

Alfa Chemistry uses material thermal analysis technology to detect raw materials. Thermal analysis can quickly and accurately determine changes in the crystal form, melting, sublimation, and adsorption of substances, and has a wide range of applications in characterizing the thermal properties, physical properties, chemical properties, mechanical properties and stability of materials.

Alfa Chemistry has a variety of thermal analysis methods. Our methods include, but are not limited to, the following:

Alfa Chemistry's Instrument Platforms

We use the following instrument platforms to provide testing services:

• Laser thermal conductivity meter
• Thermal conductivity tester
• Thermomechanical Analyzer
• Dynamic Thermomechanical Analyzer
• Thermogravimetric Analyzer
• Differential Scanning Calorimeter

Testing Standard

• ASTM E794-06 (2018) Standard Test Method for Melting And Crystallization Temperatures By Thermal Analysis
• ASTM E968-02 (2014) Standard Practice for Heat Flow Calibration of Differential Scanning Calorimeters
• ASTM E1131-20 Standard Test Method for Compositional Analysis by Thermogravimetry
• ASTM E1269-11 (2018) Standard Test Method for Determining Specific Heat Capacity by Differential Scanning Calorimetry
• ASTM E2890-12(2018) Standard Test Method for Kinetic Parameters for Thermally Unstable Materials by Differential Scanning Calorimetry Using the Kissinger Method