Substrate with oxide layer and manufacturing method thereof
A technology of oxide layer and manufacturing method, which is applied in the manufacture of discharge tubes/lamps, manufacturing tools, cold cathode manufacturing, etc., can solve the problems of difficult application, high durability of chemical corrosion, etc., to reduce production costs, inhibit damage, improve Effects on productivity and processing quality
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Example
[0097] (example 1)
[0098] A high strain point glass (PD200, manufactured by Asahi Glass Co., Ltd.) substrate of PDP having a thickness of 2.8 mm, a length of 100 mm, and a width of 100 mm was washed, and then set in a sputtering apparatus as a substrate. By DC magnetron sputtering, ITO (relative to In 2 O 3 with SnO 2 The total amount contains 10 mass% SnO 2 ) target to form an ITO layer with a thickness of 120 nm on the substrate to obtain a glass substrate with an ITO layer. The sputtering gas used contains 2 vol% O 2 Gas Ar gas. Back pressure is 1×10 -3 Pa, sputtering gas pressure 0.4Pa, power density 3.5W / cm 2 . In addition, the substrate temperature was 250°C.
[0099] The glass substrate with the ITO layer was irradiated with pulsed laser light from the side of the ITO layer. As the pulsed laser, a pulsed laser (wavelength: 1064 nm) emitted by a pulsed Yb-fiber laser was used. This pulsed laser has a Gaussian energy distribution 6, and the power in the irrad...
Example
[0102] (Example 2)
[0103] On the ITO layer of the glass substrate with an ITO layer of Example 1, after removing residual gas, an auxiliary layer with a thickness of 11 nm was formed by DC magnetron sputtering using a Cr metal target in an Ar gas atmosphere. Back pressure is 1×10 -3 Pa, sputtering gas pressure 0.3Pa, input power density 1W / cm 2 . In addition, the substrate temperature was 250°C.
[0104] The glass substrate with the auxiliary layer of this example was irradiated with the same pulsed laser light as in Example 1 from the film surface side. Then, in order to evaluate the pattern diameter of the ITO layer, the auxiliary layer on the entire surface of the substrate was removed with an etching solution. The etching solution uses a mixture of ceric ammonium nitrate, perchloric acid and water. Substantially no damage was observed on the ITO layer by the etching solution treatment.
[0105] The pattern diameter of the ITO layer of this example was evaluated wit...
Example
[0106] (Example 3)
[0107] On the glass substrate used in Example 1, using a DC magnetron sputtering method containing Ta 2 O 5 SnO and ZnO 2 Target (containing 96 mass % Ta relative to the total amount 2 O 5 , 0.5 mass% ZnO) to form SnO with a thickness of 140 nm 2 layer, obtained with SnO 2 layered glass substrate.
[0108] The sputtering gas used contains 2 vol% O 2 Gas Ar gas. Back pressure is 1×10 -3 Pa, sputtering gas pressure 0.4Pa, power density 3.5W / cm 2 . In addition, the substrate temperature was 250°C.
[0109] In this example with SnO 2 On the glass substrate of the layer, the same pulsed laser light as in Example 1 was irradiated from the film surface side, and the pattern diameter was measured by the same method as in Example 1. Table 1 shows the results.
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