Photosensitive Barrier Rib Paste for PDP and Photolithographic Process

Plasma Display Panel용 감광성 격벽 재료 및 Photolithography 공정 성질

  • Park, Lee Soon (Department of Polymer Science, Kyungpook National University) ;
  • Jeong, Seung Won (Department of Polymer Science, Kyungpook National University) ;
  • Oh, Hyun Shik (Department of Polymer Science, Kyungpook National University) ;
  • Kim, Soon Hak (Department of Polymer Science, Kyungpook National University) ;
  • Song, Sang Moo (Department of Polymer Science, Kyungpook National University)
  • 박이순 (경북대학교 고분자공학과) ;
  • 정승원 (경북대학교 고분자공학과) ;
  • 오현식 (경북대학교 고분자공학과) ;
  • 김순학 (경북대학교 고분자공학과) ;
  • 송상무 (경북대학교 고분자공학과)
  • Received : 1999.04.26
  • Accepted : 1999.11.06
  • Published : 1999.12.10

Abstract

Barrier rib for the plasma display panel(PDP) was made by photolithographic process utilizing photosensitive barrier rib paste. The barrier rib paste was prepared by first dissolving ethylcellulose(binder polymer) in butyl carbitol(BC)/butyl carbitol acetate(BCA) =30/70 wt % mixture solvent at 15 wt % concentration. To this solution a mixture of functional monomers consisted of tripropyleneglycol diacrylate/ pentaerythritol triacrylate = 50/50 wt %, Irgacur 651 photoinitiator, and barrier rib powder were added and then the whole mixture was mixed in the three roll mill for 2 hr. The effect of component and concentration of photosensitive barrier paste on the photolithographic process was studied. After optimization of the paste formulation and photolithographic process, barrier rib could be obtained with good resolution up to $100{\mu}m$ height.

Keywords

plasma display panel(PDP);photosensitive barrier rib;photolithography;barrier rib;barrier rib paste

Acknowledgement

Supported by : 한국학술진흥재단

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