Mask replication using jet and flash imprint lithography

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

doi:10.1117/1.3646523

1 October 2011 Mask replication using jet and flash imprint lithography

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

Author Affiliations +

Journal of Micro/Nanolithography, MEMS, and MOEMS, Vol. 10, Issue 4, 043005 (October 2011). https://doi.org/10.1117/1.3646523

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 semiconductors) will be on the order of 10⁴ to 10⁵ imprints. 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 e-beam written master. Performance results, including image placement, critical dimension uniformity, and pattern transfer, are covered in detail.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Kosta S. Selinidis, Cynthia B. Brooks, Gary F. Doyle, Laura A. Brown, Chris E. Jones, Joseph Imhof, Dwayne L. LaBrake, Douglas J. Resnick, and S. V. Sreenivasan "Mask replication using jet and flash imprint lithography," Journal of Micro/Nanolithography, MEMS, and MOEMS 10(4), 043005 (1 October 2011). https://doi.org/10.1117/1.3646523

Published: 1 October 2011

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