Patent ID: 11921412
Assignee: APPOTRONICS CORPORATION LIMITED
Field: Surface technology, coating (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 7:
8. The method according to claim 4, wherein the first preparation condition is defined as follows:
a sputtering target is metal aluminum with a purity of 99.99%;
a material for forming the substrate is PET;
a temperature of the substrate is room temperature;
a distance from the sputtering target to the substrate is 120 mm;
a working gas is Ar with a purity of 99.999%;
a gas flow rate is 30 sccm;
a base vacuum degree is within a range of 5 Pa-10 Pa;
a deposition vacuum degree is 0.6 Pa;
the sputtering power is 80 W; and
a sputtering time is 3 min, and
wherein the second preparation condition is defined as follows:
a sputtering target is metal aluminum with a purity of 99.99%;
a material for forming the substrate is PET;
a temperature of the substrate is 100° C.;
a distance from the sputtering target to the substrate is 120 mm;
a working gas is Ar with a purity of 99.999%;
a gas flow rate is 50 sccm;
a base vacuum degree is within a range of 5 Pa-10 Pa;
a deposition vacuum degree is 1.6 Pa;
the sputtering power is 200 W; and
a sputtering time is 3 min.