{"title":"100mm Silicon Wafers","description":"\u003ch2\u003e100mm (4-inch) silicon wafers for research and device development\u003c\/h2\u003e\u003cp\u003eApplications include thin-film research, photolithography, microfluidic molds, MEMS fabrication, and semiconductor device development. For wafers specified as (100), 1–10 Ω·cm, single-side polished (SSP), and 500 µm thick, the following guidance can help you compare P-type and N-type substrates. Confirm specifications in each product listing; these details do not apply to every wafer in this collection.\u003c\/p\u003e\u003cp\u003eP-type and N-type wafers share many practical uses. The choice depends on whether substrate conductivity type affects the experiment, measurement, or device design. These examples are not a verified ranking of applications.\u003c\/p\u003e\u003ch2\u003eApplication examples\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThin-film deposition and testing:\u003c\/strong\u003e Both types can serve as substrates for metals, oxides, nitrides, and experimental coatings. Either may be appropriate when conductivity type does not affect the measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotolithography and process development:\u003c\/strong\u003e Photoresist coating, patterning, oxidation, plasma etching, and process optimization. Both types can also support comparisons of doping-dependent processing behavior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrofluidic molds:\u003c\/strong\u003e A base for patterned photoresist masters used to replicate microchannels. Both types may be appropriate when silicon primarily serves as the mold support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMEMS and sensor prototyping:\u003c\/strong\u003e Etched cavities, membranes, microchannels, and sensor structures. Electrical sensing and fabrication requirements determine substrate selection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransistors and semiconductor teaching:\u003c\/strong\u003e P-type substrates support conventional NMOS development, MOS capacitors, and junction diodes formed with N-type regions. N-type substrates support conventional PMOS development, MOS capacitors, and junction diodes formed with P-type regions. NMOS uses a P-type body and PMOS an N-type body; wells and other device structures can determine the body independently of the starting substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface and interface studies:\u003c\/strong\u003e Metal–silicon contacts, dielectric interfaces, and surface treatments. Comparing P-type and N-type substrates helps investigate conductivity-dependent interface behavior.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComparing 100mm and 50.8mm wafers\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore nominal surface area:\u003c\/strong\u003e A 100mm wafer has approximately 3.9 times the circular surface area of a 50.8mm wafer, offering room for more devices or test patterns. Actual usable area depends on edge exclusions and layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e A 500 µm wafer is thicker than the earlier 280 µm example for 50.8mm wafers. Confirm the listed thickness and tolerances rather than assuming a standard value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolishing:\u003c\/strong\u003e SSP supports front-surface processing. Applications requiring polished front and back surfaces may need double-side polished (DSP) wafers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor matching 100mm (100), 1–10 Ω·cm, SSP, 500 µm wafers, thin-film deposition, photolithography, microfluidic mold fabrication, MEMS prototyping, and semiconductor research are potential applications. Wafer grade, cleanliness, thickness tolerances, and process compatibility determine suitability. Review each product's specifications before ordering.\u003c\/p\u003e","products":[{"product_id":"100mm-silicon-wafer-id-452","title":"100mm Silicon Wafer - ID 452","description":"","brand":"UniversityWafer","offers":[{"title":"Default Title","offer_id":53024980336960,"sku":"452","price":10.9,"currency_code":"USD","in_stock":false}]},{"product_id":"100mm-silicon-wafer-id-453","title":"100mm Silicon Wafer - ID 453","description":"","brand":"UniversityWafer","offers":[{"title":"Default Title","offer_id":53027344744768,"sku":"453","price":19.15,"currency_code":"USD","in_stock":true}]},{"product_id":"100mm-silicon-wafer-id-590","title":"100mm Silicon Wafer - ID 590","description":"","brand":"UniversityWafer","offers":[{"title":"Default Title","offer_id":53027344810304,"sku":"590","price":10.89,"currency_code":"USD","in_stock":true}]},{"product_id":"100mm-silicon-wafer-id-775","title":"100mm Silicon Wafer - ID 775","description":"","brand":"UniversityWafer","offers":[{"title":"Default Title","offer_id":53027344843072,"sku":"775","price":18.02,"currency_code":"USD","in_stock":true}]},{"product_id":"100mm-silicon-wafer-id-783","title":"100mm Silicon Wafer - 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