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16274 results about "Solar cell" patented technology

A solar cell, or photovoltaic cell, is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon. It is a form of photoelectric cell, defined as a device whose electrical characteristics, such as current, voltage, or resistance, vary when exposed to light. Individual solar cell devices can be combined to form modules, otherwise known as solar panels. The common single junction silicon solar cell can produce a maximum open-circuit voltage of approximately 0.5 to 0.6 volts.

Direct write process and apparatus

A direct write process and apparatus for fabricating a desired circuit component onto a substrate surface of a microelectronic device according to a computer-aided design (CAD). The process includes (a) providing a support member by which the device is supported while being fabricated; (b) providing a chamber for containing a precursor fluid material under a substantially constant pressure differential relative to the ambient pressure, with the precursor fluid material having a viscosity no less than 10 cps; (c) operating an inkjet-based dispensing head with a control valve or actuator for dispensing and depositing minute droplets of the precursor fluid material onto the substrate surface; (d) energy- or heat-treat the deposited precursor fluid material for converting it to the desired active or passive component; and (e) operating a machine controller for generating control signals in response to the CAD coordinates for controlling the position of the dispensing head relative to the support member in response to the control signals to control dispensing and depositing of the precursor material to form the desired component. The process is useful for depositing a wide range of component materials onto an electronic device, including conductor, resistor, capacitor, dielectric, inductor, antenna, solar cell electrode, battery electrode, interconnect, superconductor, sensor, and actuator element materials.
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