PMJ2020 will be held on
April 19(Sun)-21(Tue), 2020.

What's New!

Photomask Japan 2019 is the 26th international symposium on photomasks and NGL masks in Japan. The aim of the symposium is to bring together engineers and investigators from Japan, USA, and all over the world in the field of photomasks, NGL masks, and related technologies to discuss recent progress, applications, and future trends. The conference program will feature invited papers, contributed papers, poster sessions, and a rump session with panel discussion. Display opportunities will be provided to mask manufacturing materials, and equipment companies.

Program Summary of Past PMJs (Written in Japanese)


  • Materials for Photomasks
  • Fabrication Process Steps and Equipments for Photomasks (Developing, Etching, Cleaning etc.)
  • Photomask Writing Tools and Technologies including Multi-Beam EB Writer
  • Tools and Technologies for Metrology/ Inspection/ Repair
  • Technologies and Infrastructures for EUVL/ NIL/ FPD Masks
  • Mask Data Preparations, EDA and DTCO
  • Photomasks with RET: PSM, OPC, SMO and Multiple Patterning
  • Photomask-related Lithography Technologies
  • DSA (Directed Self-Assembly) related Mask Technologies
  • Strategies and Business Challenges: Cost, Cycle-Time, ML2 etc.
  • Mask/ Lithography related Technology in Academia (Poster Session)
  • Patterning Technology for Semiconductor and Electronic Devices
  • Semiconductor Manufacturing Technologies
  • EB Direct Writing, EB Lithography Technologies