Capacity improvement for color‐filter fabs through computer modeling and iterative simulation |
| |
| Authors: | James C Chen Ling‐Huey Su Gary C Chao Chih‐Cheng Chen Tzu‐Wei Peng |
| |
| Affiliation: | 1. Department of Industrial Management, National Taiwan University of Science and Technology, #43, Section 4, Keelung Rd., Taipei, Taiwan 10607, Taiwan, ROC.;2. Department of Industrial and Systems Engineering, Chung‐Yuan Christian University, Taoyuan, Taiwan, ROC.;3. Chunghwa Picture Tubes, Ltd., Taoyuan, Taiwan, ROC. |
| |
| Abstract: | Abstract— This study proposes the iterative Simulation‐Based Release (ISR) policy for color‐filter (CF) fabs based on iterative simulation. In the studied CF fabs, multi‐domain vertical‐alignment (MVA) equipment has the capability and flexibility to provide additional production capacity of black‐matrix (BM) and red, green, and blue (RGB) layers. Fab throughput can be increased by setting up MVA equipment to process BM and RGB layers when its available production capacity is larger than the scheduled manufacturing target. An AutoMod simulation model was developed and validated based on a real CF fab in Taiwan. A heuristic lot release plan was developed and used as the input of simulation. A better release plan can be developed by taking advantage of the MVA's line idle periods over the planning horizon generated from simulation and releasing new lots to the MVA line to increase its throughput. Release plans can be modified iteratively when the simulation results of the previous release plans show sufficient idle periods for the MVA line operation. The case study demonstrated that the proposed ISR is effective in idle‐time reduction (more than 60%) and throughput improvement (more than 2% in following months). |
| |
| Keywords: | Color filter simulation model release planning capacity planning |
|
|
