摘要:
A composition which includes liquid or supercritical carbon dioxide and an acid having a pKa of less than about 4. The composition is employed in a process of removing residue from a precision surface, such as a semiconductor sample, in which the precision surface is contacted with the composition under thermodynamic conditions consistent with the retention of the liquid or supercritical carbon dioxide in the liquid or supercritical state.
摘要:
A composition which includes liquid or supercritical carbon dioxide and an acid having a pKa of less than about 4. The composition is employed in a process of removing residue from a precision surface, such as a semiconductor sample, in which the precision surface is contacted with the composition under thermodynamic conditions consistent with the retention of the liquid or supercritical carbon dioxide in the liquid or supercritical state.
摘要:
A process of drying a semiconductor wafer which includes at least one microelectric structure disposed thereon which includes contacting a water-containing thin film-covered semiconductor wafer with a composition which includes liquid or supercritical carbon dioxide and a surfactant.
摘要:
A process of cleaning semiconductor processing, handling and manufacturing equipment in which such equipment is contacted with a cleaning effective amount of liquid or supercritical carbon dioxide.
摘要:
A process of providing a semiconductor device with electrical interconnection capability wherein a sacrificial material is introduced into topographical features of the semiconductor device prior to chemical mechanical polishing so that debris formed during chemical mechanical polishing is incapable of falling into topographical features present on the semiconductor device. The sacrificial material is thereupon removed by liquid or supercritical carbon dioxide.
摘要:
A process and apparatus for cleaning filters prior to recycling or disposal. In this process and apparatus liquid or supercritical carbon dioxide contacts the plugged pores of a filter under conditions in which carbon dioxide remains in the liquid or supercritical state.
摘要:
A process and apparatus for cleaning filters prior to recycling or disposal. In this process and apparatus liquid or supercritical carbon dioxide contacts the plugged pores of a filter under conditions in which carbon dioxide remains in the liquid or supercritical state.
摘要:
A process of removing photoresist, previously subjected to ion implantation, from the surface of a workpiece. The process involves contacting the workpiece with a composition which includes liquid or supercritical carbon dioxide and between about 2% and about 20% of an alkanol having the structural formula CxX2x+1OH, where X is fluorine, hydrogen or mixtures thereof; and x is an integer of 1 to 8, said percentages being by volume, based on the total weight of the composition.
摘要:
A process of removing residue from an etched precision surface. In this process the etched precision surface is contacted with a composition which includes liquid or supercritical carbon dioxide and a fluoride-generating species.
摘要:
A check valve for micro electro mechanical structure devices (MEMS), and in particular pertains to a check valve which is adapted to be employed in connection with micro electro mechanical structure devices which are intended to be employed with supercritical fluids constituting working fluids. In a preferred embodiment, the check valve is equipped with a bypass channel including a freely moveable plug structure which, in the open position of the valve enables the ingress of supercritical fluids under high superatmospheric pressures, and subsequent to the filling of the system, let down to atmospheric pressure, causes the plug to be moved into a permanent valve-closed position.