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Title: Initiated chemical vapor deposition polymers for high peak-power laser targets

Here, we report two examples of initiated chemical vapor deposition (iCVD) polymers being developed for use in laser targets for high peak-power laser systems. First, we show that iCVD poly(divinylbenzene) is more photo-oxidatively stable than the plasma polymers currently used in laser targets. Thick layers (10–12 μm) of this highly crosslinked polymer can be deposited with near-zero intrinsic film stress. Second, we show that iCVD epoxy polymers can be crosslinked after deposition to form thin adhesive layers for assembling precision laser targets. The bondlines can be made as thin as ~ 1 μm, approximately a factor of 2 thinner than achievable using viscous resin-based adhesives. These bonds can withstand downstream coining and stamping processes.
Authors:
 [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [2] ;  [3]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Univ. of Connecticut, Storrs, CT (United States); Kansas State Univ., Manhattan, KS (United States)
  3. Univ. of Connecticut, Storrs, CT (United States)
Publication Date:
Report Number(s):
LLNL-JRNL-703180
Journal ID: ISSN 0040-6090
Grant/Contract Number:
AC52-07NA27344
Type:
Accepted Manuscript
Journal Name:
Thin Solid Films
Additional Journal Information:
Journal Volume: 635; Journal Issue: C; Journal ID: ISSN 0040-6090
Publisher:
Elsevier
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE Laboratory Directed Research and Development (LDRD) Program
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Initiated chemical vapor deposition; Polymers; Thin films; Stress; Adhesives
OSTI Identifier:
1368016

Baxamusa, Salmaan H., Lepro, Xavier, Lee, Tom, Worthington, Matthew, Ehrmann, Paul, Laurence, Ted, Teslich, Nick, Suresh, Aravind, and Burkey, Daniel D.. Initiated chemical vapor deposition polymers for high peak-power laser targets. United States: N. p., Web. doi:10.1016/j.tsf.2016.11.055.
Baxamusa, Salmaan H., Lepro, Xavier, Lee, Tom, Worthington, Matthew, Ehrmann, Paul, Laurence, Ted, Teslich, Nick, Suresh, Aravind, & Burkey, Daniel D.. Initiated chemical vapor deposition polymers for high peak-power laser targets. United States. doi:10.1016/j.tsf.2016.11.055.
Baxamusa, Salmaan H., Lepro, Xavier, Lee, Tom, Worthington, Matthew, Ehrmann, Paul, Laurence, Ted, Teslich, Nick, Suresh, Aravind, and Burkey, Daniel D.. 2016. "Initiated chemical vapor deposition polymers for high peak-power laser targets". United States. doi:10.1016/j.tsf.2016.11.055. https://www.osti.gov/servlets/purl/1368016.
@article{osti_1368016,
title = {Initiated chemical vapor deposition polymers for high peak-power laser targets},
author = {Baxamusa, Salmaan H. and Lepro, Xavier and Lee, Tom and Worthington, Matthew and Ehrmann, Paul and Laurence, Ted and Teslich, Nick and Suresh, Aravind and Burkey, Daniel D.},
abstractNote = {Here, we report two examples of initiated chemical vapor deposition (iCVD) polymers being developed for use in laser targets for high peak-power laser systems. First, we show that iCVD poly(divinylbenzene) is more photo-oxidatively stable than the plasma polymers currently used in laser targets. Thick layers (10–12 μm) of this highly crosslinked polymer can be deposited with near-zero intrinsic film stress. Second, we show that iCVD epoxy polymers can be crosslinked after deposition to form thin adhesive layers for assembling precision laser targets. The bondlines can be made as thin as ~ 1 μm, approximately a factor of 2 thinner than achievable using viscous resin-based adhesives. These bonds can withstand downstream coining and stamping processes.},
doi = {10.1016/j.tsf.2016.11.055},
journal = {Thin Solid Films},
number = C,
volume = 635,
place = {United States},
year = {2016},
month = {12}
}