Castable plastic mold with electroplatable base
Abstract
A sacrificial plastic mold having an electroplatable backing is provided as are methods of making such a mold via the infusion of a castable liquid formulation through a porous metal substrate (sheet, screen, mesh or foam) and into the features of a micro-scale master mold. Upon casting and demolding, the porous metal substrate is embedded within the cast formulation and projects a plastic structure with features determined by the mold tool. The plastic structure provides a sacrificial plastic mold mechanically bonded to the porous metal substrate, which provides a conducting support suitable for electroplating either contiguous or non-contiguous metal replicates. After electroplating and lapping, the sacrificial plastic can be dissolved, leaving the desired metal structure bonded to the porous metal substrate. Optionally, the electroplated structures may be debonded from the porous substrate by selective dissolution of the porous substrate or a coating thereon.
- Inventors:
- Issue Date:
- Research Org.:
- Sandia National Lab. (SNL-CA), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1174691
- Patent Number(s):
- 6679471
- Application Number:
- 10/052,948
- Assignee:
- Sandia National Laboratories (Livermore, CA)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29C - SHAPING OR JOINING OF PLASTICS
C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25D - PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS
- DOE Contract Number:
- AC04-94AL85000
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 42 ENGINEERING
Citation Formats
Domeier, Linda A., Morales, Alfredo M., Gonzales, Marcela G., and Keifer, Patrick M. Castable plastic mold with electroplatable base. United States: N. p., 2004.
Web.
Domeier, Linda A., Morales, Alfredo M., Gonzales, Marcela G., & Keifer, Patrick M. Castable plastic mold with electroplatable base. United States.
Domeier, Linda A., Morales, Alfredo M., Gonzales, Marcela G., and Keifer, Patrick M. Tue .
"Castable plastic mold with electroplatable base". United States. https://www.osti.gov/servlets/purl/1174691.
@article{osti_1174691,
title = {Castable plastic mold with electroplatable base},
author = {Domeier, Linda A. and Morales, Alfredo M. and Gonzales, Marcela G. and Keifer, Patrick M.},
abstractNote = {A sacrificial plastic mold having an electroplatable backing is provided as are methods of making such a mold via the infusion of a castable liquid formulation through a porous metal substrate (sheet, screen, mesh or foam) and into the features of a micro-scale master mold. Upon casting and demolding, the porous metal substrate is embedded within the cast formulation and projects a plastic structure with features determined by the mold tool. The plastic structure provides a sacrificial plastic mold mechanically bonded to the porous metal substrate, which provides a conducting support suitable for electroplating either contiguous or non-contiguous metal replicates. After electroplating and lapping, the sacrificial plastic can be dissolved, leaving the desired metal structure bonded to the porous metal substrate. Optionally, the electroplated structures may be debonded from the porous substrate by selective dissolution of the porous substrate or a coating thereon.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2004},
month = {1}
}
Works referenced in this record:
Fabrication of microstructures with high aspect ratios and great structural heights by synchrotron radiation lithography, galvanoforming, and plastic moulding (LIGA process)
journal, May 1986
- Becker, E. W.; Ehrfeld, W.; Hagmann, P.
- Microelectronic Engineering, Vol. 4, Issue 1, p. 35-56