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METHODS AND APPARATUS FOR ELECTRICAL, MECHANICAL AND/OR CHEMICAL REMOVAL OF CONDUCTIVE MATERIAL FROM A MICROELECTRONIC SUBSTRATE
METHODS AND APPARATUS FOR ELECTRICAL, MECHANICAL AND/OR CHEMICAL REMOVAL OF CONDUCTIVE MATERIAL FROM A MICROELECTRONIC SUBSTRATE
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机译:从微电子基质中去除导电材料的电,机械和/或化学物质的方法和装置
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摘要
METHODS AND APPARATUS FOR ELECTRICAL, MECHANICAL AND/OR CHEMICAL REMOVAL OF CON-DUCTIVE MATERIAL FROM A MICROELECTRONIC SUBSTRATEAbstract: A method and apparatus for removing conductive material from a microelectronic substrate. In one embodiment, the method can include engaging a microelectronic substrate with a polishing surface of a polishing pad,electrically coupling a con-ductive material of the microelectronic substrate to a source of electrical potential,and oxidizing at least a portion of the conductive material by passing an electrical current through the conductive material from the source of electrical potential. For example, the method can include positioning first and second electrodes apart from a face surface of the microelectronic substrate, disposing an electrolytic fluid between the face surface and the electrodes with the electrodes in fluid communication with the electrolytic fluid, and movingat least one of the microelectronic and the polishing pad relative to the other.
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