Coating processes – Direct application of electrical – magnetic – wave – or... – Pretreatment of substrate or post-treatment of coated substrate
Reexamination Certificate
2007-11-13
2007-11-13
Fletcher, III, William Phillip (Department: 1762)
Coating processes
Direct application of electrical, magnetic, wave, or...
Pretreatment of substrate or post-treatment of coated substrate
C427S226000, C427S372200, C427S596000
Reexamination Certificate
active
10952108
ABSTRACT:
A method of depositing various materials onto heat-sensitive targets. Heat-sensitive targets are generally defined as targets that have thermal damage thresholds that are lower than the temperature required to process a deposited material. The invention uses precursor solutions and/or particle or colloidal suspensions, along with optional pre-deposition treatment and/or post-deposition treatment to lower the laser power required to drive the deposit to its final state. The present invention uses Maskless Mesoscale Material Deposition (M3D™) to perform direct deposition of material onto the target in a precise, highly localized fashion. Features with linewidths as small as 4 microns may be deposited, with little or no material waste. A laser is preferably used to heat the material to process it to obtain the desired state, for example by chemical decomposition, sintering, polymerization, and the like. This laser processing may be performed in an ambient environment with laser powers of less than 100 milliwatts.
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Essien Marcelino
Giridharan Manampathy G.
King Bruce H.
Renn Michael J.
Sheu Jyh-Cherng
Askenazy Philip D.
Fletcher, III William Phillip
Myers Jeffrey D.
Optomec Design Company
Peacock & Myers, P.C.
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