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Method for forming contact hole in semiconductor device App 20070148964 - Lee; Dong-Yeol ;   et al. | 2007-06-28 |
Semiconductor Memory Device And Method For Fabricating The Same App 20070128795 - Kim; Seung-Bum ;   et al. | 2007-06-07 |
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Semiconductor device and method for fabricating the same App 20050018525 - Kim, Dong-Sauk ;   et al. | 2005-01-27 |
Method for forming contact hole of semiconductor device Grant 6,838,369 - Lee , et al. January 4, 2 | 2005-01-04 |
Method For Forming Contact Hole Of Semiconductor Device App 20040214421 - Lee, Ho Seok ;   et al. | 2004-10-28 |
Method for fabricating semiconductor device App 20040180494 - Hwang, Chang-Youn ;   et al. | 2004-09-16 |
Method for reducing a parasitic capacitance of a semiconductive memory cell using metal mask for sidewall formation Grant 6,764,893 - Lee , et al. July 20, 2 | 2004-07-20 |
Method for forming contact plug of semiconductor device Grant 6,723,640 - Lee , et al. April 20, 2 | 2004-04-20 |
Method for fabricating semiconductor device App 20040014278 - Lee, Sung-Kwon ;   et al. | 2004-01-22 |
Method for forming contact plug of semiconductor device App 20040002209 - Lee, Sung-Kwon ;   et al. | 2004-01-01 |
Method for forming a via contact hole of a semiconductor device Grant 5,451,291 - Park , et al. September 19, 1 | 1995-09-19 |