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An-Na Park Patents |
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Inventor: Park; An-Na
Address: Busan-si, KR
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7371622 |
Etchant for signal wire and method of manufacturing thin film transistor array panel using etcha |
May 13, 2008 |
| Gate lines including a lower Al--Nd layer and an upper MoW layer, data lines including a MoW layer, and pixel electrodes including an IZO layer are patterned using a single etchant. The etchant contains a phosphoric acid of about 50-60%, a nitric acid of about 6-10%, an acetic acid of |
| 6783919 |
Stripper composition for photoresist |
August 31, 2004 |
| The invention relates to a TFT-LCD high-performance stripper composition for a photoresist, and more particularly to a stripper composition for a photoresist comprising: 20-60 wt % of monoethanolamine, 15-50 wt % of N,N-dimethylacetamide, 15-50 wt % of carbitol, and 0.1-10 wt % of gallic |
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