Treatment Of Semiconductor Body Using Process Other Than Deposition Of Semiconductor Material On A Substrate, Diffusion Or Alloying Of Impurity Material, Or Radiation Treatment (epo) Patents (Class 257/E21.211)
E Subclasses
- Chemical or electrical treatment, e.g., electrolytic etching (EPO) (Class 257/E21.215)
- Electrolytic etching (EPO) (Class 257/E21.216)
- Plasma etching; reactive-ion etching (EPO) (Class 257/E21.218)
- Chemical etching (EPO) (Class 257/E21.219)
- Chemical cleaning (EPO) (Class 257/E21.224)
- With simultaneous mechanical treatment, e.g., chemical-mechanical polishing (EPO) (Class 257/E21.23)
- Using mask (EPO) (Class 257/E21.231)
- Characterized by their composition, e.g., multilayer masks, materials (EPO) (Class 257/E21.232)
- Characterized by their size, orientation, disposition, behavior, shape, in horizontal or vertical plane (EPO) (Class 257/E21.233)
- Characterized by their behavior during process, e.g., soluble mask, redeposited mask (EPO) (Class 257/E21.234)
- Characterized by process involved to create mask, e.g., lift-off mask, sidewall, or to modify the mask, e.g., pre-treatment, post-treatment (EPO) (Class 257/E21.235)
- Process specially adapted to improve resolution of mask (EPO) (Class 257/E21.236)
- Mechanical treatment, e.g., grinding, polishing, cutting (EPO) (Class 257/E21.237)
- To form insulating layer thereon, e.g., for masking or by using photolithographic technique (EPO) (Class 257/E21.24)
- Post-treatment (EPO) (Class 257/E21.241)
- Using masks (EPO) (Class 257/E21.258)
- Organic layers, e.g., photoresist (EPO) (Class 257/E21.259)
- Inorganic layer (EPO) (Class 257/E21.266)
- Composed of alternated layers or of mixtures of nitrides and oxides or of oxynitrides, e.g., formation of oxynitride by oxidation of nitride layer (EPO) (Class 257/E21.267)
- Of silicon (EPO) (Class 257/E21.268)
- Carbon layer, e.g., diamond-like layer (EPO) (Class 257/E21.27)
- Composed of oxide or glassy oxide or oxide based glass (EPO) (Class 257/E21.271)
- With perovskite structure (EPO) (Class 257/E21.272)
- Deposition of porous oxide or porous glassy oxide or oxide based porous glass (EPO) (Class 257/E21.273)
- Deposition from gas or vapor (EPO) (Class 257/E21.274)
- Deposition of boron or phosphorus doped silicon oxide, e.g., BSG, PSG, BPSG (EPO) (Class 257/E21.275)
- Deposition of halogen doped silicon oxide, e.g., fluorine doped silicon oxide (EPO) (Class 257/E21.276)
- Deposition of carbon doped silicon oxide, e.g., SiOC (EPO) (Class 257/E21.277)
- Deposition of silicon oxide (EPO) (Class 257/E21.278)
- Deposition of aluminum oxide (EPO) (Class 257/E21.28)
- Formed by oxidation (EPO) (Class 257/E21.282)
- Inorganic layer composed of nitride (EPO) (Class 257/E21.292)
- Deposition/post-treatment of noninsulating, e.g., conductive - or resistive - layers on insulating layers (EPO) (Class 257/E21.294)
- Deposition of layer comprising metal, e.g., metal, alloys, metal compounds (EPO) (Class 257/E21.295)
- Deposition of semiconductive layer, e.g., poly - or amorphous silicon layer (EPO) (Class 257/E21.297)
- Deposition of superconductive layer (EPO) (Class 257/E21.298)
- Deposition of conductive or semi-conductive organic layer (EPO) (Class 257/E21.299)
- Post treatment (EPO) (Class 257/E21.3)
- Oxidation of silicon-containing layer (EPO) (Class 257/E21.301)
- Nitriding of silicon-containing layer (EPO) (Class 257/E21.302)
- Planarization (EPO) (Class 257/E21.303)
- Physical or chemical etching of layer, e.g., to produce a patterned layer from pre-deposited extensive layer (EPO) (Class 257/E21.305)
- Doping layer (EPO) (Class 257/E21.315)