NDLI: Methods to achieve zero human error in semiconductors manufacturing

Content Provider	IEEE Xplore Digital Library
Author	Tan Chee Eng Amin Mohd Sani Puay Kim Yu
Copyright Year	2006
Description	Author affiliation: ON Semicond., Negeri Sembilan (Tan Chee Eng; Amin Mohd Sani; Puay Kim Yu)
Abstract	The word of automation has been realized in semiconductors industry since assembly machine become automatic since mid 80's. The major enabler was implementation of pattern recognition system (PRS) in order to replace eyes oriented operation such as bonding location targeting. Over the last two decades, many machine manufacturers have managed to achieve fast, accurate, and repeatable bonding without much manual assistance. However, all the assembly machine manufacturers have not achieved one point process window, meaning major parameters still need to be in a specific optimum range. In many machines, password control has been known as the most often used method to control risks of human errors. Even that, several major risks of human errors could not be contained or controlled at some operation steps. One of those steps was requirement to perform recipe download, which was necessary to run various devices and packages in production. Meanwhile, recipe editing could not be avoided especially due to almost impossible opportunity in obtaining one hundred percent of PRS lighting robustness over time. Despite that, some of the non-closed loop machine parameters such as actual bond force, temperature and ultrasonic power would still require manual recording in checklist. On the other hand, most of the material handling such as bonding wire, and leadframe also require operator assistance and judgment. In order to resolve these potential human errors, a new advanced automated method was created base on the concept of computer integrated manufacturing (CIM). With commercial communication protocols, machines work interactively with host computer at various operation steps. The new CIM system has enabled various human dependant steps either automated or effectively controlled. The first few steps governed possible errors in production lot, machine ID, operator ID, and material handling. This information would be verified against multiple system databases, including planning, bill of material, machine maintenance record, operator skill certification, etc. After that, all major machine parameters would be obtained and sent to host computer with predetermined frequency, performed without human assistance. Upon receiving these data, they would be compared against process window, and any violation will trigger machine shut down. In the final stage, the correct recipe will be downloaded into machine and start allowing material flow in production. The whole system was designed and incorporated into Web-base access, convenient to extract any information at anytime and anywhere. One of the significant differences in comparing to an in-line automated system, this CIM system development and deployment do not require high cost, and hence it applies to a wide range of machines. This CIM system has proven to be a cost effective method to achieve zero human error in semiconductors manufacturing
Starting Page	678
Ending Page	683
File Size	591703
Page Count	6
File Format	PDF
ISBN	1424406641
DOI	10.1109/EPTC.2006.342795
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-12-06
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Humans Semiconductor device manufacture Computer integrated manufacturing Bonding Production Assembly Error correction Materials handling Computer errors Costs
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in