Bimorph switch, bimorph switch manufacturing method, electronic circuitry and electronic circuitry manufacturing method

An electronic circuitry formed on a substrate, comprising:

• an integrated circuit which comprises a first terminal and a second terminal and is formed on the substrate;
• a mechanical switch mounted on the substrate comprising a traveling contact, a fixed contact, and a bimorph section, operable to drive said traveling contact and electrically connect the first terminal and the second terminal by electrically connecting said traveling contact and said fixed contact;
• a cap comprising a top cover section that covers the traveling contact, the fixed contact, and the bimorph section and a plurality of side cover sections which extend from the edges of the top cover section to the substrate and surround the sides of the bimorph section;
• wherein said integrated circuit further comprises a semiconductor switch, and said mechanical switch used for a signal of high frequency switches a signal of frequency higher than that of said semiconductor switch used for a signal of low frequency;
• and
• wherein said integrated circuit comprises a semiconductor switch, and said mechanical switch has an off leakage current less than that of said semiconductor switch, and said mechanical switch switches greater current than that of said semiconductor switch.