Top IPC subclasses
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1
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B82B
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3
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nano-structuresmanufacture or treatment thereof
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|
2
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C01G
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3
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Compounds containing metals not covered by subclasses C01D or C01F
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|
3
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H01S
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2
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devices using stimulated emission
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4
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C01B
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2
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non-metallic elementscompounds thereof
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5
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C01F
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2
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compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium
|
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6
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H01L
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1
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Semiconductor devices; electric solid state devices not otherwise provided for
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|
7
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C25D
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1
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processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpi
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8
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B81C
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1
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processes or apparatus specially adapted for the manufacture or treatment of micro-structural device
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9
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C30B
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1
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single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing o
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