Illustration of molding process for an aspherical glass optic.
Schematic of the glass molding apparatus. (1) PC with DAQ hardware, (2) thermal PID controller, (3) tube furnace, (4) load measuring assembly, and (5) linear actuator assembly.
Load cell assembly.
Axial motion control block diagram.
Experimental stress vs strain curves of cylinder compression tests at different temperatures for BK7 glass.
Measured viscosity values obtained from the compression test performed on the high temperature glass molding apparatus for (a) BK7 glass and (b) SK5 glass.
Mold position and load vs time for the determination of relaxation modulus for BK7 glass at 663 °C utilizing a closed loop positional feedback control.
Microlens molding schematic.
A SEM picture of molded microlens array.
CMM measurement of micro lenses.
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