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William Heffner
William Heffner
Retired Associate Director, Lehigh University
Verified email at lehigh.edu
Title
Cited by
Cited by
Year
New bistable liquid‐crystal twist cell
DW Berreman, WR Heffner
Journal of Applied Physics 52 (4), 3032-3039, 1981
2251981
New bistable cholesteric liquid‐crystal display
DW Berreman, WR Heffner
Applied Physics Letters 37 (1), 109-111, 1980
1821980
Chalcogenide glass e-beam and photoresists for ultrathin grayscale patterning
A Kovalskiy, J Cech, M Vlcek, CM Waits, M Dubey, WR Heffner, H Jain
Journal of Micro/Nanolithography, MEMS and MOEMS 8 (4), 043012-043012-11, 2009
812009
Liquid crystal alignment on surfactant treated obliquely evaporated surfaces
WR Heffner, DW Berreman, M Sammon, S Meiboom
Applied Physics Letters 36 (2), 144-146, 1980
591980
Electric field-induced softening of alkali silicate glasses
C McLaren, W Heffner, R Tessarollo, R Raj, H Jain
Applied Physics Letters 107 (18), 2015
582015
Matrix addressed bistable liquid crystal display
DW Berreman, WR Heffner, AR Kmetz
US Patent 4,529,271, 1985
401985
Bistable liquid crystal twist cell
DW Berreman, WR Heffner
US Patent 4,239,345, 1980
391980
Switching characteristics of a bistable cholesteric twist cell
WR Heffner, DW Berreman
Journal of Applied Physics 53 (12), 8599-8606, 1982
281982
Bistable liquid crystal twist cell
DW Berreman, WR Heffner
US Patent 4,505,548, 1985
211985
Influence of Bi on topological self-organization in arsenic and germanium selenide networks
Y Liu, R Golovchak, W Heffner, O Shpotyuk, G Chen, H Jain
Journal of Materials Chemistry C 1 (40), 6677-6683, 2013
192013
Switching characteristics of a bistable cholesteric twist cell'
DW Berreman, WR Heffner
Proc. Sid 22, 191, 1981
151981
Method of forming a laser circuit having low penetration ohmic contact providing impurity gettering and the resultant laser circuit
GE Derkits Jr, WR Heffner, P Parayanthal, PJ Carroll, RC Muthiah
US Patent 6,555,457, 2003
112003
Method of forming a laser circuit having low penetration ohmic contact providing impurity gettering and the resultant laser circuit
GE Derkits Jr, WR Heffner, P Parayanthal, PJ Carroll, RC Muthiah
US Patent 6,555,457, 2003
112003
Chalcogenide glass thin film resists for grayscale lithography
A Kovalskiy, J Cech, CL Tan, WR Heffner, E Miller, CM Waits, M Dubey, ...
Advances in Resist Materials and Processing Technology XXVI 7273, 1268-1279, 2009
102009
Semiconductor laser reliability test structure and method
RB Bylsma, GE Derkits Jr, WR Heffner
US Patent 6,255,707, 2001
92001
Fast liquid crystal displays with low-power addressing and permanent memory'
DW Berreman, WR Heffner
SID International Symposium 13, 242-243, 1982
61982
Low-Cost, Experimental Curriculum in Materials Science Using Candy Glass Part 2: Home-Built Apparatuses
WR Heffner, H Jain
MRS Online Proceedings Library (OPL) 1657, mrsf13-1657-qq04-02, 2014
42014
In-wafer testing of DFB semiconductor lasers
WR Heffner, JE Johnson
US Patent 6,265,237, 2001
42001
Power law behavior of conductivity in the AOT/dichloroethane system
WR Heffner, MA Marcus
Journal of colloid and interface science 124 (2), 617-623, 1988
41988
Building a Low Cost, Hands-on Learning Curriculum on Glass Science and Engineering using Candy Glass
WR Heffner, H Jain
MRS Online Proceedings Library (OPL) 1233, 1233-PP03-06, 2009
22009
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