Abstract
In order to improve the rectifying characteristics of cuprous oxide rectifier for ring modulator, the manufacturing conditions were studied and the following results were obtained: (1) The specimens of copper are oxidized at 1000° for 5 minutes and are held for 10 minutes at 600° before water quenching. (2) The cupric oxide film on the front surface of the prepared rectifying disk is mechanically striped. Then graphite and anode metal were coated on the cuprous oxide. (3) The circumference of disk is insulated with a insulating medium to prevent current leakage. (4) The oxide layer on the reverse side is chemically removed with conc. HNO3.