| Patents > Guidance, Tools, and Manuals > Classification > Class Schedule |
|
|
|
| Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
|
| You are viewing a USPC Schedule. |
|
| Class 148 | METAL TREATMENT |
| Click here for a printable version of this file | |
![[List of Pre Grant Publications for class 148 subclass 95]](../as.gif) | ![[List of Patents for class 148 subclass 95]](../ps.gif) | 95 | PROCESS OF MODIFYING OR MAINTAINING INTERNAL PHYSICAL STRUCTURE (I.E., MICROSTRUCTURE) OR CHEMICAL PROPERTIES OF METAL, PROCESS OF REACTIVE COATING OF METAL AND PROCESS OF CHEMICAL-HEAT REMOVING (E.G., FLAME-CUTTING, ETC.) OR BURNING OF METAL |
| | 96 |  Superconductive metal or alloy (i.e., superconductive Tc at or below 30K) |
| | 97 |  Particle (e.g., ion, neutron, etc.) bombardment or electromagnetic wave energy (e.g., laser, etc.) |
| | 98 | Producing or treating an A3B (e.g., Nb3Sn, V3Ga, Nb3Al, etc.) superconducting alloy |
| | 99 | Treating in extraterrestrial environment (e.g., space, moon, etc.) or zero gravity environment |
| | 100 | Magnetic materials |
| | 101 | Permanent magnet |
| | 104 | Dust cores |
| | 105 | Particulate material |
| | 108 | Treatment in a magnetic field |
| | 110 | Silicon steel |
| | 120 | Working |
| | 121 | Heat treatment |
| | 194 | Chemical-heat removing (e.g., flame-cutting, etc.) or burning of metal |
| | 195 | Control responsive to sensed condition of workpiece |
| | 196 | Program or pattern control |
| | 197 | Utilizing fluid contact other than flame |
| | 198 | With solid additive |
| | 200 | Of edge or corner (e.g., deburring, etc.) |
| | 201 | Cylindrical workpiece |
| | 202 | Scarfing (e.g., desurfacing, planing, gouging, etc.) |
| | 204 | Flame piercing |
| | 205 | Plural nozzles or plural work-contacting jets |
| | 206 | Carburizing or nitriding using externally supplied carbon or nitrogen source |
| | 207 | Carburizing or nitriding uniformly throughout the entire mass (i.e., internal carburizing) |
| | 208 | With decarburizing or denitriding |
| | 209 | Utilizing particulate fluid bed |
| | 210 | Of selected surface area (e.g., zone, top only, etc.) |
| | 211 |  With working, machining, or cutting |
| | 212 | Nitriding |
| | 213 | Utilizing attached protective shield, mask or coating |
| | 215 | Measuring, sensing, or testing |
| | 217 | With noncarburizing or non-nitriding reactive coating (e.g., oxidizing, siliconizing, boronizing, etc.) |
| | 218 | Combined carburizing and nitriding (e.g., carbonitriding, nitrocarburizing, etc.) |
| | 220 | With producing or treating of workpiece having plural noncarburized or non-nitrided layers or mechanically engaged article or stock |
| | 221 | With casting or solidifying from melt |
| | 222 | Utilizing ionized gas (e.g., plasma, etc.) or electron arc or beam |
| | 223 | Including use of vacuum |
| | 224 | Utilizing wave energy (e.g., laser, etc.) or electric heating with work as conductor |
| | 225 | Iron(Fe) or iron base alloy |
| | 226 | With working, machining, or cutting |
| | 227 | Utilizing fused agent or media |
| | 230 | Nitriding |
| | 231 |  Utilizing nitrogen containing agent other than ammonia or elemental nitrogen |
| | 232 | With post-nitriding heat or quenching |
| | 233 | With post-carburizing heating or quenching |
| | 234 | Utilizing agent containing cyano (CN) radical or halogen (X) radical or metal carbonate |
| | 235 | Utilizing hydrocarbon, oil or oxygenated hydrocarbon (e.g., alcohol, furan, carbohydrate, etc.) |
| | 236 | Utilizing solid carbonaceous material containing free carbon, coal, peat, or coke |
| | 237 | Refractory metal (i.e., Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W) or refractory base alloy |
| | 238 | Nitriding |
| | 239 | With ion implantation |
| | 240 | Processes of coating utilizing a reactive composition which reacts with metal substrate or composition therefore |
| | 241 | Testing or electrical or wave energy utilized |
| | 242 | Molten bath or molten surface utilized during reaction |
| | 243 | Liquid reactive coating composition utilized |
| | 244 | Dye or organic pigment containing |
| | 245 | Electrically insulating coating formed which is more than mere oxide formation |
| | 246 | Contains lubricant or oil or overcoat thereof |
| | 247 | Contains an atom of hafnium, titanium or zirconium (excludes activating composition) |
| | 248 | Contains nonreactive organic liquid at ambient temperature (e.g., solvent, etc.) |
| | 250 | Contains organic phosphorus or organic chromium compound |
| | 251 | Contains solid synthetic polymer |
| | 252 | Contains dicarboxylic acid or salt thereof which reacts with metal substrate |
| | 253 | Contains phosphorus |
| | 254 | Liquid composition applied prior to reaction of metal substrate with phosphorus (e.g., cleaning, activating, etc.) |
| | 255 | With additional coating composition containing an atom of chromium, phosphorus or sulfur |
| | 256 | Specified liquid or gaseous coating composition applied after reaction with phosphorus |
| | 258 | Contains an atom of chromium |
| | 259 | Contains organic additive other than for pH control |
| | 261 | Contains an atom of arsenic, boron or metal atom other than alkali metal |
| | 264 | Contains an atom of chromium |
| | 265 | Post chromium treatment with specified material (other than mere air drying) |
| | 266 | Contains an atom of sulfur, selenium or tellurium |
| | 267 | Contains trivalent chromium ion or reducing agent or an organic additive |
| | 268 | Contains an atom or boron, silicon or metal atom other than alkali metal |
| | 269 | Metal substrate contains elemental Ti, Zr, Hf, Cu, Ta, or Th or alloy thereof |
| | 270 | Contains an atom of sulfur, selenium or tellurium |
| | 272 | Coating or treating a metal oxide with a specified composition |
| | 273 | Contains an atom of arsenic or metal atom other than alkali metal |
| | 274 | Contains organic material |
| | 275 | Metal substrate contains elemental aluminum or magnesium or alloy thereof |
| | 276 | Coating during or after metal oxide formation |
| | 277 | Metal oxide formed after applied coating |
| | 278 | Carbide formation, decarburization or carbonizing |
| | 279 | Contains an atom of boron or silicon that reacts with metal substrate |
| | 280 | Reactive material applied nonuniformly or reacted selectively |
| | 281 | Metal substrate contains elemental Ti, Zr, Nb, Ag, Ta, or W or alloy thereof |
| | 282 | Metal substrate contains elemental copper or alloy thereof |
| | 283 | Contains an atom of halogen, organic material or gaseous sulfur |
| | 284 | Coating composition applied forms oxide coating |
| | 500 | Utilizing disclosed mathematical formula or relationship |
| | 501 | Nonferrous metal, nonferrous based alloy or no-base alloy |
| | 503 | Utilizing therein symbol for temperature |
| | 505 | Utilizing therein factors or percentages related to metal or metal alloy composition (i.e., including carbon content) |
| | 508 | With measuring, testing, or sensing |
| | 509 | Magnetic or electrical property |
| | 510 | Change in dimension (e.g., expansion, elongation, distortion, etc.) |
| | 511 | Temperature |
| | 512 | Surface melting (e.g., melt alloying, etc.) |
| | 513 | Treating loose metal powder, particle or flake |
| | 514 | Treating consolidated metal powder, per se (i.e., no sintering or compacting step present) |
| | 515 | With explosive or exothermic agent |
| | 516 | Producing or treating layered, bonded, welded, or mechanically engaged article or stock as a final product |
| | 517 | Subambient temperature |
| | 518 | With electrocoating (e.g., electroplating, anodizing, sputtering, etc.) |
| | 519 | Pipe or tube |
| | 522 | With casting or solidifying from melt |
| | 524 | With metal fusion bonding step utilizing electron arc or beam |
| | 525 | Utilizing wave energy (e.g., laser, electromagnetic wave energy, etc.), plasma or electron arc or beam |
| | 526 | Electric heating with work as electrical conductor (e.g., alternating current, induction, etc.) |
| | 527 | With metal next to or bonded to metal |
| | 528 | With brazing or soldering |
| | 529 | Iron(Fe) or iron base alloy present |
| | 530 | Next to nonferrous metal or nonferrous base alloy |
| | 531 |  Aluminum(Al) or aluminum base alloy |
| | 532 | Copper(Cu) or copper base alloy |
| | 533 | Zinc(Zn), zinc base alloy or unspecified galvanizing |
| | 534 | With working |
| | 535 | Aluminum(Al) or aluminum base alloy present |
| | 536 | Copper(Cu) or copper base alloy |
| | 537 | With coating step |
| | 538 | With casting or solidifying from melt |
| | 539 | Centrifugal casting |
| | 540 | Iron(Fe) or iron base alloy |
| | 541 | Continuous casting |
| | 542 | Containing at least nine percent chromium(Cr) (e.g., stainless steel, etc.) |
| | 543 | Containing at least 1.5 percent carbon |
| | 544 | With working |
| | 545 | With tempering, ageing, solution treating (i.e., for hardening), precipitation hardening or strengthening, or quenching |
| | 546 | With working |
| | 547 | With tempering, ageing, solution treating (i.e., for hardening), precipitation hardening or strengthening, or quenching |
| | 548 | With tempering, ageing, solution treating (i.e., for hardening), precipitation hardening or strengthening, or quenching |
| | 549 | Aluminum(Al) or aluminum base alloy |
| | 553 | Copper(Cu) or copper base alloy |
| | 555 | Nickel(Ni) or nickel base alloy |
| | 557 | With working |
| | 558 | With vibration (e.g., mechanical, sound, etc.) |
| | 559 | Heating or cooling of solid metal |
| | 560 | Actinide or trans-actinide metal or alloy having greater than 50 percent actinide or trans-actinide metals |
| | 561 | Passing through an amorphous state or treating or producing an amorphous metal or alloy |
| | 562 | Treating single crystal |
| | 563 | Mechanical memory (e.g., shape memory, heat-recoverable, etc.) |
| | 564 | Superplastic (e.g., dynamic recrystallization, etc.) |
| | 565 | Utilizing wave energy (e.g., laser, electromagnetic, etc.) plasma or electron arc or beam |
| | 566 | Electric heating with work as conductor (e.g., alternating current, induction, etc.) |
| | 567 | Induction |
| | 568 | Wire or filament |
| | 569 | Railway stock (e.g., rails, wheels, axles, etc.) |
| | 570 | Of hollow bodies (e.g., pipe, sphere, etc.) |
| | 572 | Rod, axle, shaft, or roller |
| | 573 | Gear, threaded article, drill or serrated work surface (e.g., saw blade, etc.) |
| | 574 | And cooling with fluid contact |
| | 576 | Wire or filament |
| | 577 | Chilling to subambient temperature |
| | 579 | Iron(Fe) or iron base alloy |
| | 580 | Spring or spring material |
| | 581 | Railway stock (e.g., rails, wheels, axles, etc.) |
| | 582 | Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum |
| | 583 | Wheel |
| | 584 | With working |
| | 585 | With work handling |
| | 586 | Gear |
| | 587 | Threaded article (e.g., screws, drill bits, etc.) |
| | 588 | Serrated work surface (e.g., saw blades, etc.) |
| | 589 | Ring |
| | 590 | Pipe or tube |
| | 591 | Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum |
| | 592 | Nine percent or more chromium(Cr) (e.g., stainless steel, etc.) |
| | 593 | With working |
| | 594 | With work handling |
| | 595 | Wire, rod, or filament |
| | 596 | Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum |
| | 597 | Nine percent or more chromium(Cr) (e.g., stainless steel, etc.) |
| | 598 | With working |
| | 600 | With work handling |
| | 601 | With coiling or treating of coiled strip |
| | 604 | Of stacked plural workpieces |
| | 605 | Nine percent or more chromium(Cr) (e.g., Stainless steel, etc.) |
| | 606 | Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum |
| | 607 | Ageing, solution treating (i.e., for hardening), precipitation strengthening or precipitation hardening |
| | 609 | With working |
| | 611 | Austenitic phase structure |
| | 612 | Starting material contains 1.7 percent or more carbon (e.g., cast iron, etc.) |
| | 613 | Decarburizing |
| | 614 | Starting material is spherulitic (i.e., spheroidal) or vermicular (i.e., wormlike) |
| | 615 | Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum |
| | 616 | Treating or producing white or malleable cast iron |
| | 619 | Containing 10 percent or more manganese(Mn) (e.g., Hadfield steel, etc.) |
| | 621 | Highly alloyed (i.e., greater than 10 percent alloying elements) |
| | 622 | Ageing, solution treating (i.e., for hardening), precipitation hardening or strengthening |
| | 625 | Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum |
| | 626 | With preserving, recovering, separately treating or handling of the specified treating agent |
| | 627 | With localized or zone heating or cooling |
| | 628 | Using vacuum |
| | 629 | Decarburizing or denitriding |
| | 630 | Utilizing particulate fluid bed |
| | 631 | Fused treating agent |
| | 633 | Gaseous agent |
| | 636 | Liquid agent |
| | 639 | Localized or zone heating or cooling |
| | 640 | Utilizing protective or insulating shielding from heat |
| | 641 | Simultaneous heating and cooling treatment |
| | 642 | Heating with flame treatment |
| | 643 | With working |
| | 644 | Cooling |
| | 645 | With flattening, straightening, or tensioning by external force |
| | 646 | With restraining of metal from expanding or contracting during heating or cooling |
| | 648 | With working |
| | 649 | Forging |
| | 650 | With working at or below 120C or unspecified cold working |
| | 653 | With additional nonworking heating step |
| | 654 | Including cooling (e.g., quenching, etc.) |
| | 655 | With separate handling or treating of air, water, or unspecified fluid treating media |
| | 656 | Work handling |
| | 659 | Including spheroidizing |
| | 660 | Including cooling (e.g., quenching, etc.) |
| | 665 | Beryllium(Be) or beryllium base alloy |
| | 666 | Magnesium(Mg) or magnesium base alloy |
| | 668 | Refractory metal (i.e., titanium(Ti), zirconium(Zr), hafnium(Hf), vanadium(V), niobium(Nb), columbium(Cb), tantalum(Ta), chromium(Cr), molybdenum(Mo), tungsten(W)), or alloy base thereof |
| | 669 | Titanium(Ti) or titanium base alloy |
| | 672 | Zirconium(Zr) or zirconium base alloy |
| | 673 | Tungsten(W) or tungsten base alloy |
| | 674 | Cobalt(Co) or cobalt base alloy |
| | 675 | Nickel(Ni) or nickel base alloy |
| | 678 | Noble metals (i.e., silver(Ag), gold(Au), osmium(Os), iridium(Ir), platinum(Pt), ruthenium(Ru), rhodium(Rh), palladium(Pd)) or alloy base thereof |
| | 679 | Copper(Cu) or copper base alloy |
| | 680 | With working above 400C or nonspecified hot working |
| | 681 | Multiple working steps |
| | 683 | With ageing, solution treating (i.e., for hardening), precipitation hardening or strengthening |
| | 684 | With working |
| | 686 | With ageing, solution treating (i.e., for hardening), precipitation hardening or strengthening |
| | 687 | Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent or denitriding agent, etc.) or vacuum |
| | 688 | Aluminum(Al) or aluminum base alloy |
| | 689 | With extruding or drawing |
| | 691 | With working above 400C or nonspecified hot working |
| | 692 | Multiple working steps |
| | 694 | With ageing, solution treating (i.e., for hardening), precipitation hardening or strengthening |
| | 695 | With working |
| | 698 | With ageing, solution treating (i.e., for hardening), precipitation hardening or strengthening |
| | 703 | Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum |
| | 705 | Zinc(Zn) or zinc base alloy |
| | 706 | Lead(Pb) or lead base alloy |
| | 707 | Over 50 percent metal, but no base |
| | 708 | Treating with specified agent (e.g., heat exchange agent, protective agent, decarburizing agent, denitriding agent, etc.) or vacuum |
| | 709 | With preserving, recovering or separately handling or treating of the agent |
| | 710 | Utilizing particulate form in fluid bed |
| | 711 | In fused state |
| | 712 | In gaseous state |
| | 713 | In liquid state |
| | 714 | Localized or zone heating or cooling treatment |
| | 22 | COMPOSITIONS |
| | 33 | BARRIER LAYER STOCK MATERIAL, P-N TYPE |
| | 33.1 | With contiguous layer doped to degeneracy |
| | 33.2 | With recess, void, dislocation, grain boundaries or channel openings |
| | 33.3 | With non-semiconductive coating thereon |
| | 33.4 | With contiguous layers of different semiconductive material |
| | 33.5 | Having at least three contiguous layers of semiconductive material |
| | 400 | STOCK |
| | 401 | Radioactive |
| | 300 | Magnetic |
| | 301 | Rare earth and transition metal containing |
| | 304 | Amorphous |
| | 306 | Iron base (i.e., ferrous) |
| | 312 | Nickel base |
| | 313 | Cobalt base |
| | 314 | Manganese base |
| | 315 | No single metal over 50 percent |
| | 316 | Carburized or nitrided |
| | 402 | Mechanical memory |
| | 403 | Amorphous, i.e., glassy |
| | 404 | Directionally solidified |
| | 320 | Ferrous (i.e., iron base) |
| | 321 | 1.7 percent or more carbon containing (e.g., cast iron) |
| | 322 | Malleabilized |
| | 323 | Chill cast |
| | 324 | Six percent or more group IV, V or VI transition metal containing |
| | 325 | Nine percent or more chromium containing |
| | 326 | Age or precipitation hardened or strengthened |
| | 327 | Eight percent or more total content of nickel and/or manganese containing |
| | 328 | Age or precipitation hardened or strengthed |
| | 329 | Eight percent or more manganese containing |
| | 330 | Beryllium or boron containing |
| | 331 | Rare earth meal containing |
| | 332 | Copper containing |
| | 333 | Chromium containing, but less than 9 percent |
| | 336 | Nickel containing |
| | 337 | Three percent or more manganese containing or containing other transition metal in any amount |
| | 405 | Age or precipitation hardened or strengthened |
| | 406 | Magnesium base |
| | 407 | Refractory metal base |
| | 408 | Cobalt base |
| | 409 | Nickel base |
| | 411 | Copper base |
| | 415 | Aluminum base |
| | 419 | Containing over 50 percent metal, but no base metal |
| | 420 | Magnesium base |
| | 421 | Titanium, zirconium, or hafnium base |
| | 422 | Vanadium, niobum, or tantalum base |
| | 423 | Chromium, molybdenum, or tungsten base |
| | 424 | Manganese base |
| | 425 | Cobalt base |
| | 426 | Nickel base |
| | 430 | Noble metal base |
| | 432 | Copper base |
| | 437 | Aluminum base |
| | 441 | Zinc base |
| | 442 | Containing over 50 per cent metal, but no base metal |
| CROSS-REFERENCE ART COLLECTIONS | ||
| | 900 | ION IMPLANTED |
| | 901 | SURFACE DEPLETED IN AN ALLOY COMPONENT (E.G., DECARBURIZED) |
| | 902 | HAVING PORTIONS OF DIFFERING METALLURGICAL PROPERTIES OR CHARACTERISTICS |
| | 903 | Directly treated with high energy electromagnetic waves or particles (e.g., laser, electron beam) |
| | 904 | Crankshaft |
| | 905 | Cutting tool |
| | 906 | Roller bearing element |
| | 907 | Threaded or headed fastener |
| | 908 | Spring |
| | 909 | Tube |
| | 910 | In pattern discontinuous in two dimensions (e.g., checkerboard pattern) |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
| DIGESTS | ||
| | DIG1 | AMORPHOUS SEMICONDUCTOR |
| | DIG2 | AMPHOTERIC DOPING |
| | DIG3 | ANNEAL |
| | DIG4 | ANNEALING, INCOHERENT LIGHT |
| | DIG5 | ANTIMONIDES OF GALLIUM OR INDIUM |
| | DIG6 | APPARATUS |
| | DIG7 | AUTODOPING |
| | DIG8 | BI-LEVEL FABRICATION |
| | DIG9 | BI-MOS |
| | DIG10 | BIPOLAR TRANSISTORS-ION IMPLANTATION |
| | DIG11 | BIPOLAR TRANSISTORS |
| | DIG12 | BONDING E.G., ELECTROSTATIC FOR STRAIN GAUGES |
| | DIG13 | BREAKDOWN VOLTAGE |
| | DIG14 | CAPACITOR |
| | DIG15 | CAPPING LAYER |
| | DIG16 | CATALYST |
| | DIG17 | CLEAN SURFACES |
| | DIG18 | COMPENSATION DOPING |
| | DIG19 | CONTACTS OF SILICIDES |
| | DIG20 | CONTACTS, SPECIAL |
| | DIG21 | CONTINUOUS PROCESS |
| | DIG22 | CONTROLLED ATMOSPHERE |
| | DIG23 | DEEP LEVEL DOPANTS |
| | DIG24 | DEFECT CONTROL-GETTERING AND ANNEALING |
| | DIG25 | DEPOSITION MULTI-STEP |
| | DIG26 | DEPOSITION THRU HOLE IN MASK |
| | DIG27 | DICHLOROSILANE |
| | DIG28 | DICING |
| | DIG29 | DIFFERENTIAL CRYSTAL GROWTH RATES |
| | DIG30 | DIFFUSION |
| | DIG31 | DIFFUSION AT AN EDGE |
| | DIG32 | DIFFUSION LENGTH |
| | DIG33 | DIFFUSION OF ALUMINUM |
| | DIG34 | DIFFUSION OF BORON OR SILICON |
| | DIG35 | DIFFUSION THRU A LAYER |
| | DIG36 | DIFFUSION, NONSELECTIVE |
| | DIG37 | DIFFUSION-DEPOSITION |
| | DIG38 | DIFFUSIONS-STAGED |
| | DIG39 | DISPLACE P-N JUNCTION |
| | DIG40 | DOPANTS, SPECIAL |
| | DIG41 | DOPING CONTROL IN CRYSTAL GROWTH |
| | DIG42 | DOPING, GRADED, FOR TAPERED ETCHING |
| | DIG43 | DUAL DIELECTRIC |
| | DIG44 | EDGE DIFFUSION UNDER MASK |
| | DIG45 | ELECTRIC FIELD |
| | DIG46 | ELECTRON BEAM TREATMENT OF DEVICES |
| | DIG47 | EMITTER DIP |
| | DIG48 | ENERGY BEAM ASSISTED EPI GROWTH |
| | DIG49 | EQUIVALENCE AND OPTIONS |
| | DIG50 | ETCH AND REFILL |
| | DIG51 | ETCHING |
| | DIG52 | FACE TO FACE DEPOSITION |
| | DIG53 | FIELD EFFECT TRANSISTORS FETS |
| | DIG54 | FLAT SHEETS-SUBSTRATES |
| | DIG55 | FUSE |
| | DIG56 | GALLIUM ARSENIDE |
| | DIG57 | GAS FLOW CONTROL |
| | DIG58 | GE GERMANIUM |
| | DIG59 | GERMANIUM ON SILICON OR GE-SI ON III-V |
| | DIG60 | GETTERING |
| | DIG61 | GETTERING-ARMORPHOUS LAYERS |
| | DIG62 | GOLD DIFFUSION |
| | DIG63 | GP II-IV-VI COMPOUNDS |
| | DIG64 | GP II-VI COMPOUNDS |
| | DIG65 | GP III-V (GENERIC) COMPOUNDS-PROCESSING |
| | DIG66 | GP III-V LIQUID PHASE EPITAXY |
| | DIG67 | GRADED ENERGY GAP |
| | DIG68 | GRAPHITE MASKING |
| | DIG69 | GREEN SHEETS |
| | DIG70 | GUARD RINGS AND CMOS |
| | DIG71 | HEATING, SELECTIVE |
| | DIG72 | HETEROJUNCTIONS |
| | DIG73 | HOLLOW BODY |
| | DIG74 | HORIZONTAL MELT SOLIDIFICATION |
| | DIG75 | IMIDE RESISTS |
| | DIG76 | IMPLANT |
| | DIG77 | IMPLANTATION OF SILICON ON SAPPHIRE |
| | DIG78 | IMPURITY REDISTRIBUTION BY OXIDATION |
| | DIG79 | INERT CARRIER GAS |
| | DIG80 | INFRA-RED |
| | DIG81 | INSULATORS |
| | DIG82 | ION IMPLANTATION FETS/COMS |
| | DIG83 | ION IMPLANTATION, GENERAL |
| | DIG84 | ION IMPLANTATION OF COMPOUND DEVICES |
| | DIG85 | ISOLATED-INTEGRATED |
| | DIG86 | ISOLATED ZONES |
| | DIG87 | I2L INTEGRATED INJECTION LOGIC |
| | DIG88 | J-FET (JUNCTION FIELD EFFECT TRANSISTOR) |
| | DIG89 | JOSEPHSON DEVICES |
| | DIG90 | LASER ANNEAL |
| | DIG91 | LASER BEAM PROCESSING OF FETS |
| | DIG92 | LASER BEAM PROCESSING-DIODES OR TRANSISTOR |
| | DIG93 | LASER BEAM TREATMENT IN GENERAL |
| | DIG94 | LASER BEAM TREATMENT OF COMPOUND DEVICES |
| | DIG95 | LASER DEVICES |
| | DIG96 | LATERAL TRANSISTOR |
| | DIG97 | LATTICE STRAIN AND DEFECTS |
| | DIG98 | LAYER CONVERSION |
| | DIG99 | LED, MULTICOLOR |
| | DIG100 | LIFT-OFF MASKING |
| | DIG101 | LIQUID PHASE EPITAXY LPE |
| | DIG102 | MASK ALIGNMENT |
| | DIG103 | MASK, DUAL FUNCTION E.G., DIFFUSION AND OXIDATION |
| | DIG104 | MASK, MOVABLE |
| | DIG105 | MASKS, METAL |
| | DIG106 | MASKS, SPECIAL |
| | DIG107 | MELT |
| | DIG108 | MELT BACK |
| | DIG109 | MEMORY DEVICES |
| | DIG110 | METAL-ORGANIC CVD (RUEHRWEIN TYPE) |
| | DIG111 | NARROW MASKING |
| | DIG112 | NITRIDATION, DIRECT, OF SILICON |
| | DIG113 | NITRIDES OF BORON OR ALUMINUM OR GALLIUM |
| | DIG114 | NITRIDES OF SILICON |
| | DIG115 | ORIENTATION |
| | DIG116 | OXIDATION, DIFFERENTIAL |
| | DIG117 | OXIDATION, SELECTIVE |
| | DIG118 | OXIDE FILMS |
| | DIG119 | PHOSPHIDES OF GALLIUM OR INDIUM |
| | DIG120 | PHOTOCATHODES-CS COATED AND SOLAR CELL |
| | DIG121 | PLASTIC TEMPERATURE |
| | DIG122 | POLYCRYSTALLINE |
| | DIG123 | POLYCRYSTALLINE DIFFUSE ANNEAL |
| | DIG124 | POLYCRYSTALLINE EMITTER |
| | DIG125 | POLYCRYSTALLINE PASSIVATION |
| | DIG126 | POWER FETS |
| | DIG127 | PROCESS INDUCED DEFECTS |
| | DIG128 | PROTON BOMBARDMENT OF SILICON |
| | DIG129 | PULSE DOPING |
| | DIG130 | PURIFICATION |
| | DIG131 | REACTIVE ION ETCHING RIE |
| | DIG132 | RECOIL IMPLANTATION |
| | DIG133 | REFLOW OXIDES AND GLASSES |
| | DIG134 | REMELT |
| | DIG135 | REMOVAL OF SUBSTRATE |
| | DIG136 | RESISTORS |
| | DIG137 | RESISTS |
| | DIG138 | ROUGHENED SURFACE |
| | DIG139 | SCHOTTKY BARRIER |
| | DIG140 | SCHOTTKY BARRIER CONTACTS |
| | DIG141 | SELF-ALIGNMENT COAT GATE |
| | DIG142 | SEMICONDUCTOR-METAL-SEMICONDUCTOR |
| | DIG143 | SHADOW MASKING |
| | DIG144 | SHALLOW DIFFUSION |
