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Classification Resources
 
Class   216ETCHING A SUBSTRATE: PROCESSES
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This Class 216 is considered to be an integral part of Class 156 (see the Class 156 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 156.
 [List of Pre Grant Publications for class 216 subclass 2][List of Patents for class 216 subclass 2]2 ETCHING OF SEMICONDUCTOR MATERIAL TO PRODUCE AN ARTICLE HAVING A NONELECTRICAL FUNCTION
 [List of Pre Grant Publications for class 216 subclass 3][List of Patents for class 216 subclass 3]3 FORMING OR TREATING JOSEPHSON JUNCTION ARTICLE
[List of Pre Grant Publications for class 216 subclass 4][List of Patents for class 216 subclass 4]4 FORMING OR TREATING A SIGN OR MATERIAL USEFUL IN A SIGN
 [List of Pre Grant Publications for class 216 subclass 6][List of Patents for class 216 subclass 6]6 FORMING OR TREATING MATERIAL USEFUL IN A CAPACITOR
 [List of Pre Grant Publications for class 216 subclass 7][List of Patents for class 216 subclass 7]7 FORMING OR TREATING FIBROUS ARTICLE OR FIBER REINFORCED COMPOSITE STRUCTURE
[List of Pre Grant Publications for class 216 subclass 8][List of Patents for class 216 subclass 8]8 FORMING OR TREATING CYLINDRICAL OR TUBULAR ARTICLE HAVING PATTERN OR DESIGN ON ITS SURFACE
 [List of Pre Grant Publications for class 216 subclass 11][List of Patents for class 216 subclass 11]11 FORMING OR TREATING AN ARTICLE WHOSE FINAL CONFIGURATION HAS A PROJECTION
 [List of Pre Grant Publications for class 216 subclass 12][List of Patents for class 216 subclass 12]12 FORMING OR TREATING MASK USED FOR ITS NONETCHING FUNCTION (E.G., SHADOW MASK, X-RAY MASK, ETC.)
[List of Pre Grant Publications for class 216 subclass 13][List of Patents for class 216 subclass 13]13 FORMING OR TREATING ELECTRICAL CONDUCTOR ARTICLE (E.G., CIRCUIT, ETC.)
 [List of Pre Grant Publications for class 216 subclass 22][List of Patents for class 216 subclass 22]22 FORMING OR TREATING ARTICLE CONTAINING MAGNETICALLY RESPONSIVE MATERIAL
 [List of Pre Grant Publications for class 216 subclass 23][List of Patents for class 216 subclass 23]23 FORMING OR TREATING ARTICLE CONTAINING A LIQUID CRYSTAL MATERIAL
[List of Pre Grant Publications for class 216 subclass 24][List of Patents for class 216 subclass 24]24 FORMING OR TREATING OPTICAL ARTICLE
 [List of Pre Grant Publications for class 216 subclass 27][List of Patents for class 216 subclass 27]27 FORMING OR TREATING THERMAL INK JET ARTICLE (E.G., PRINT HEAD, LIQUID JET RECORDING HEAD, ETC.)
[List of Pre Grant Publications for class 216 subclass 28][List of Patents for class 216 subclass 28]28 FORMING OR TREATING AN ORNAMENTED ARTICLE
[List of Pre Grant Publications for class 216 subclass 33][List of Patents for class 216 subclass 33]33 ADHESIVE OR AUTOGENOUS BONDING OF TWO OR MORE SELF-SUSTAINING PREFORMS WHEREIN AT LEAST TWO OF THE PREFORMS ARE NOT INTENDED TO BE REMOVED (E.G., PREFABRICATED BASE, ETC.)
 [List of Pre Grant Publications for class 216 subclass 37][List of Patents for class 216 subclass 37]37 ETCHING AND COATING OCCUR IN THE SAME PROCESSING CHAMBER
 [List of Pre Grant Publications for class 216 subclass 38][List of Patents for class 216 subclass 38]38 PLANARIZING A NONPLANAR SURFACE
 [List of Pre Grant Publications for class 216 subclass 39][List of Patents for class 216 subclass 39]39 FORMING GROOVE OR HOLE IN A SUBSTRATE WHICH IS SUBSEQUENTLY FILLED OR COATED
 [List of Pre Grant Publications for class 216 subclass 40][List of Patents for class 216 subclass 40]40 FORMING PATTERN USING LIFT OFF TECHNIQUE
[List of Pre Grant Publications for class 216 subclass 41][List of Patents for class 216 subclass 41]41 MASKING OF A SUBSTRATE USING MATERIAL RESISTANT TO AN ETCHANT (I.E., ETCH RESIST)
[List of Pre Grant Publications for class 216 subclass 52][List of Patents for class 216 subclass 52]52 MECHANICALLY SHAPING, DEFORMING, OR ABRADING OF SUBSTRATE
 [List of Pre Grant Publications for class 216 subclass 54][List of Patents for class 216 subclass 54]54 PATTERN OR DESIGN APPLIED BY TRANSFER
 [List of Pre Grant Publications for class 216 subclass 55][List of Patents for class 216 subclass 55]55 HEATING OR BAKING OF SUBSTRATE PRIOR TO ETCHING TO CHANGE THE CHEMICAL PROPERTIES OF SUBSTRATE TOWARD THE ETCHANT
 [List of Pre Grant Publications for class 216 subclass 56][List of Patents for class 216 subclass 56]56 ETCHING TO PRODUCE POROUS OR PERFORATED ARTICLE
 [List of Pre Grant Publications for class 216 subclass 57][List of Patents for class 216 subclass 57]57 GAS PHASE AND NONGASEOUS PHASE ETCHING ON THE SAME SUBSTRATE
[List of Pre Grant Publications for class 216 subclass 58][List of Patents for class 216 subclass 58]58 GAS PHASE ETCHING OF SUBSTRATE
[List of Pre Grant Publications for class 216 subclass 59][List of Patents for class 216 subclass 59]59 Subclass 59 indent level is 1 With measuring, testing, or inspecting
 [List of Pre Grant Publications for class 216 subclass 62][List of Patents for class 216 subclass 62]62 Subclass 62 indent level is 1 Irradiating, ion implanting, alloying, diffusing, or chemically reacting the substrate prior to etching to change properties of substrate toward the etchant
[List of Pre Grant Publications for class 216 subclass 63][List of Patents for class 216 subclass 63]63 Subclass 63 indent level is 1 Application of energy to the gaseous etchant or to the substrate being etched
 [List of Pre Grant Publications for class 216 subclass 72][List of Patents for class 216 subclass 72]72 Subclass 72 indent level is 1 Etching a multiple layered substrate where the etching condition used produces a different etching rate or characteristic between at least two of the layers of the substrate
 [List of Pre Grant Publications for class 216 subclass 73][List of Patents for class 216 subclass 73]73 Subclass 73 indent level is 1 Etching vapor produced by evaporation, boiling, or sublimation
[List of Pre Grant Publications for class 216 subclass 74][List of Patents for class 216 subclass 74]74 Subclass 74 indent level is 1 Etching inorganic substrate
[List of Pre Grant Publications for class 216 subclass 83][List of Patents for class 216 subclass 83]83 NONGASEOUS PHASE ETCHING OF SUBSTRATE
[List of Pre Grant Publications for class 216 subclass 84][List of Patents for class 216 subclass 84]84 Subclass 84 indent level is 1 With measuring, testing, or inspecting
 [List of Pre Grant Publications for class 216 subclass 87][List of Patents for class 216 subclass 87]87 Subclass 87 indent level is 1 Irradiating, ion implanting, alloying, diffusing, or chemically reacting the substrate prior to ethching to change properties of substrate toward the etchant
[List of Pre Grant Publications for class 216 subclass 88][List of Patents for class 216 subclass 88]88 Subclass 88 indent level is 1 Using film of etchant between a stationary surface and a moving surface (e.g., chemical lapping, etc.)
[List of Pre Grant Publications for class 216 subclass 90][List of Patents for class 216 subclass 90]90 Subclass 90 indent level is 1 Relative movement between the substrate and a confined pool of etchant
 [List of Pre Grant Publications for class 216 subclass 92][List of Patents for class 216 subclass 92]92 Subclass 92 indent level is 1 Projecting etchant against a moving substrate or controlling the angle or pattern projection of the etchant or controlling the angle or pattern of movement of the substrate
 [List of Pre Grant Publications for class 216 subclass 93][List of Patents for class 216 subclass 93]93 Subclass 93 indent level is 1 Recycling, regenerating, or rejunevating etchant
 [List of Pre Grant Publications for class 216 subclass 94][List of Patents for class 216 subclass 94]94 Subclass 94 indent level is 1 Etching using radiation (e.g., laser, electron-beam, ion-beam, etc.)
 [List of Pre Grant Publications for class 216 subclass 95][List of Patents for class 216 subclass 95]95 Subclass 95 indent level is 1 Substrate is multilayered
[List of Pre Grant Publications for class 216 subclass 96][List of Patents for class 216 subclass 96]96 Subclass 96 indent level is 1 Etching inorganic substrate
 
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