MES to Standardize Wafer Epitaxial Operations
Company Size
200-1,000
Region
- Asia
Country
- China
Product
- Critical Manufacturing MES
Tech Stack
- Manufacturing Execution System
Implementation Scale
- Enterprise-wide Deployment
Impact Metrics
- Customer Satisfaction
- Productivity Improvements
Technology Category
- Functional Applications - Manufacturing Execution Systems (MES)
Applicable Industries
- Electronics
Applicable Functions
- Discrete Manufacturing
Use Cases
- Manufacturing System Automation
Services
- System Integration
About The Customer
Nanjing Guosheng Electronic Co. Ltd. (GS-EPI) is a professional silicon epitaxial wafer (Epi) OEM services provider. The company manufactures more than 200,000 6” EPI wafers per month on three types of equipment: ASML 2000 lithography, and LPE2061 and LPE 3061 reactors. They have a total of 60 production units, and volume is growing. The company's major semiconductor customers rely on GS-EPI’s output as a foundation for their products. The epi layer must have uniform thickness and resistance to perform well in the semiconductor fab. To meet the increasing number of orders and to comply with customer demands, GS-EPI decided to implement a manufacturing execution system (MES).
The Challenge
GS-EPI, a provider of professional silicon epitaxial wafer (Epi) OEM services, was facing a growing challenge. The company manufactures more than 200,000 6” EPI wafers per month on three types of equipment and the volume was growing. Historically, GS-EPI collected production data, recorded it on paper and put it into Excel spreadsheets. Querying production data was very difficult and in some cases, it was impossible to find the correct set of data from the past. To win customers, GS-EPI has to explain how they manage the production process, how they control quality and how they achieve wafer traceability. Their critical customers demanded that they implement an MES system. At the same time, managers knew that they needed a tool to help manage production efficiently to meet the increasing number of orders they were getting.
The Solution
GS-EPI decided to implement a manufacturing execution system (MES) to eliminate paper and automate data collection. They modeled production in the MES, which includes data from across the full production process, and the ability to collect equipment data and control production end-to-end. The implementation expanded in sequence, starting with paperless work, workshop visualization, single production data source, WIP wafer traceability, preventive maintenance, production process configuration, shipping management, and reports. They selected an internationally known MES software provider with experience in GS-EPI’s segment or at least in semiconductor, successful references in China, and a local team in China. The implementation was led by the VP of Production and involved a team from IT and end user groups, with the help of a consultant for MES selection and production optimization.
Operational Impact
Quantitative Benefit
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