摘要:
A substrate processing device, which processes by immersing the substrate in the processing liquid comprising a mixture of a chemical and a diluting liquid, is provided with: a processing tank (1) that retains the processing liquid; heating means (2, 3) that heat the processing liquid; a temperature detection means (4) that detects the temperature of the processing liquid; a temperature control means (5) that operates the aforementioned heating means (2, 3) in a manner so that the detected temperature approaches a set temperature; a replenishing means (6) that replenishes the diluting liquid in the processing liquid; a concentration detection means (7) that detects the concentration of the processing liquid by measuring the light absorption characteristics of the processing liquid; and a concentration control means (8) that operates the aforementioned replenishing means (6) in a manner so that the detected concentration approaches a set concentration.
摘要:
A substrate processing device, which processes by immersing the substrate in the processing liquid comprising a mixture of a chemical and a diluting liquid, is provided with: a processing tank (1) that retains the processing liquid; heating means (2, 3) that heat the processing liquid; a temperature detection means (4) that detects the temperature of the processing liquid; a temperature control means (5) that operates the aforementioned heating means (2, 3) in a manner so that the detected temperature approaches a set temperature; a replenishing means (6) that replenishes the diluting liquid in the processing liquid; a concentration detection means (7) that detects the concentration of the processing liquid by measuring the light absorption characteristics of the processing liquid; and a concentration control means (8) that operates the aforementioned replenishing means (6) in a manner so that the detected concentration approaches a set concentration.
摘要:
A substrate processing apparatus that performs processing by immersing a substrate into a processing liquid obtained by mixing phosphoric acid with a diluent includes a concentration sensing means for sensing the concentration of the processing liquid by measuring the absorbance characteristics of the processing liquid. The concentration sensing means includes a light-transmitting section that introduces the processing liquid into the inside to let the processing liquid pass therethrough, a light-emitting section that radiates light having a predetermined wavelength to the light-transmitting section, a light-receiving section that receives the light therefrom via the light-transmitting section, a first lens that condenses the light emitted from the light-emitting section to the light-transmitting section, a second lens that condenses the light that has passed through the light-transmitting section to the light-receiving section, and a cooling mechanism that cools at least one of these.
摘要:
A substrate processing apparatus that performs processing by immersing a substrate into a processing liquid obtained by mixing phosphoric acid with a diluent includes a concentration sensing means for sensing the concentration of the processing liquid by measuring the absorbance characteristics of the processing liquid. The concentration sensing means includes a light-transmitting section that introduces the processing liquid into the inside to let the processing liquid pass therethrough, a light-emitting section that radiates light having a predetermined wavelength to the light-transmitting section, a light-receiving section that receives the light therefrom via the light-transmitting section, a first lens that condenses the light emitted from the light-emitting section to the light-transmitting section, a second lens that condenses the light that has passed through the light-transmitting section to the light-receiving section, and a cooling mechanism that cools at least one of these.
摘要:
An etching is performed to a wafer using a first processing fluid which is produced through the addition of a liquid mixture to a supercritical carbon dioxide, the liquid mixture including hydrogen fluoride, ammonium fluoride, and isopropyl alcohol, whereby SiO2 film formed on the surface of the wafer is removed. Then, a rinsing is performed to the wafer using a second processing fluid which is produced through the addition of methanol to the supercritical carbon dioxide, or the addition of methanol and water to the supercritical carbon dioxide, whereby Si2F6 which results from the etching and remains to adhere to the surface of the wafer is removed.
摘要:
An additive containing a hexafluorosilicic acid solution (H2SiF6+H2O) is sequentially inputted into a phosphoric acid solution pooled in an immersion bath from an additive input mechanism. Further, a trap agent containing a fluoroboric acid solution (HBF4+H2O) is inputted into the phosphoric acid solution from a trap agent input mechanism. F− which accelerates etching of a silicon nitride film is added as appropriate by sequentially inputting the additive and siloxane which increases by the sequential input is etched with hydrofluoric acid generated by decomposition of the fluoroboric acid, to thereby suppress a significant increase in the concentration of siloxane. This makes it possible to maintain respective initial etching rates of the silicon nitride film and a silicon oxide film.
摘要翻译:将含有六氟硅酸溶液(H 2 SiF 6 + H 2 O)的添加剂从添加剂输入机构依次输入到浸在浸浴中的磷酸溶液中。 此外,含有氟硼酸溶液(HBF 4 + H 2 O)的捕集剂从捕集剂输入机构输入到磷酸溶液中。 通过依次输入添加剂和通过顺序输入增加的硅氧烷,适当加入加氮氮化硅膜蚀刻的F-通过氟硼酸的分解产生的氢氟酸进行蚀刻,从而抑制浓度的显着增加 硅氧烷。 这使得可以保持氮化硅膜和氧化硅膜的各自的初始蚀刻速率。
摘要:
The temperature of the front heater is set to a higher value than the set temperature of the center heater and the temperature of the rear heater is set to a lower value than the set temperature of the center heater to thereby provide such a temperature gradient that the temperature of a center heater region gradually rises from the rear side toward the front side and the impurity diffusion is accelerated under the temperature gradient, whereby it is possible to compensate for the decrease in the quantity of the diffused impurity caused by the lowering of the impurity concentration of the impurity gas gradually from the rear side toward the front side, so that the impurity is uniformly diffused into the wafers located in the core pipe.
摘要:
An additive containing a hexafluorosilicic acid solution (H2SiF6+H2O) is sequentially inputted into a phosphoric acid solution pooled in an immersion bath from an additive input mechanism. Further, a trap agent containing a fluoroboric acid solution (HBF4+H2O) is inputted into the phosphoric acid solution from a trap agent input mechanism. F− which accelerates etching of a silicon nitride film is added as appropriate by sequentially inputting the additive and siloxane which increases by the sequential input is etched with hydrofluoric acid generated by decomposition of the fluoroboric acid, to thereby suppress a significant increase in the concentration of siloxane. This makes it possible to maintain respective initial etching rates of the silicon nitride film and a silicon oxide film.
摘要翻译:将含有六氟硅酸溶液(H 2 SiF 6 + H 2 O)的添加剂从添加剂输入机构依次输入到浸在浸浴中的磷酸溶液中。 此外,含有氟硼酸溶液(HBF 4 + H 2 O)的捕集剂从捕集剂输入机构输入到磷酸溶液中。 通过依次输入添加剂和通过顺序输入增加的硅氧烷,适当加入加氮氮化硅膜蚀刻的F-通过氟硼酸的分解产生的氢氟酸进行蚀刻,从而抑制浓度的显着增加 硅氧烷。 这使得可以保持氮化硅膜和氧化硅膜的各自的初始蚀刻速率。