Notification of Photomask Japan 2020: Latest Information March 13, 2020

Dear Mask Industry Colleagues:

Due to the rapid outbreak of the new coronavirus (COVID-19), PMJ committee decided to cancel Photomask Japan 2020 on April 19-21 at Pacifico Yokohama.

We apologize to all members who has been preparing for presentation, exhibition and participation at this conference. PMJ committee will inform you in detail of those concerns later.

The committee members would like to ask everyone to understand the situation, and cooperate to continue PMJ.

Takeo Watanabe, Chair of Organizing Committee
Kazuyuki Suko, Chair of Steering Committee


What's New!

Photomask Japan 2020 is the 27th 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

Connection Support between Students and Companies

in Japanese

Photomask Japan supports the connection between students and companies through a symposium.

Upon receiving the request from students seeking for the chance to meet speakers or exhibitors, Photomask Japan Secretariat or the committee members will introduce you to speakers or exhibitors interested in meeting students.

We are willing to support in order to provide students with the opportunities meeting experts of each specialized fields.
For any inquiries about this support, please contact Photomask Japan Secretariat.

Photomask Japan Secretariat
c/o JTB Communication Design, Inc.