Mask replication using jet and flash imprint lithography

Kosta S. Selinidis; Chris Jones; Gary F. Doyle; Laura Brown; Joseph Imhof; Dwayne L. LaBrake; Douglas J. Resnick; S. V. Sreenivasan

doi:10.1117/12.898865

13 October 2011 Mask replication using jet and flash imprint lithography

Kosta S. Selinidis, Chris Jones, Gary F. Doyle, Laura Brown, Joseph Imhof, Dwayne L. LaBrake, Douglas J. Resnick, S. V. Sreenivasan

Author Affiliations +

Proceedings Volume 8166, Photomask Technology 2011; 816627 (2011) https://doi.org/10.1117/12.898865
Event: SPIE Photomask Technology, 2011, Monterey, California, United States

Abstract

The Jet and Flash Imprint Lithography (J-FILTM) process uses drop dispensing of UV curable resists to assist high resolution patterning for subsequent dry etch pattern transfer. The technology is actively being used to develop solutions for memory markets including Flash memory and patterned media for hard disk drives. It is anticipated that the lifetime of a single template (for patterned media) or mask (for semiconductor) will be on the order of 10⁴ - 10⁵imprints. This suggests that tens of thousands of templates/masks will be required to satisfy the needs of a manufacturing environment. Electron-beam patterning is too slow to feasibly deliver these volumes, but instead can provide a high quality "master" mask which can be replicated many times with an imprint lithography tool. This strategy has the capability to produce the required supply of "working" templates/masks. In this paper, we review the development of the mask form factor, imprint replication tools and the semiconductor mask replication process. A Perfecta^TM MR5000 mask replication tool has been developed specifically to pattern replica masks from an ebeam written master. Performance results, including image placement, critical dimension uniformity, and pattern transfer are covered in detail.

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Kosta S. Selinidis, Chris Jones, Gary F. Doyle, Laura Brown, Joseph Imhof, Dwayne L. LaBrake, Douglas J. Resnick, and S. V. Sreenivasan "Mask replication using jet and flash imprint lithography", Proc. SPIE 8166, Photomask Technology 2011, 816627 (13 October 2011); https://doi.org/10.1117/12.898865

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