Electrostatic transducer

An electrostatic transducer, comprising:

• an insulator sheet;
• a first electrode sheet, disposed on a first surface of the insulator sheet;
• a second electrode sheet, disposed on a second surface of the insulator sheet;
• a first lead wire, comprising:
• a first core wire;
• and a first cover material, covering the first core wire and containing a thermoplastic material, wherein the first lead wire has a portion disposed to be overlapped with the first surface of the insulator sheet and a portion disposed to be overlapped with the first electrode sheet;
• a second lead wire, comprising:
• a second core wire;
• and a second cover material, covering the second core wire and containing a thermoplastic material, wherein the second lead wire has a portion disposed to be overlapped with the second surface of the insulator sheet and a portion disposed to be overlapped with the second electrode sheet;
• a first electrical joint part, electrically joining the first electrode sheet and the first core wire of the first lead wire in a first electrical joint region which is a region in a surface direction of the insulator sheet and in which the first electrode sheet and the first core wire of the first lead wire are disposed to be overlapped;
• a first insulation joint part, joining the insulator sheet and the first cover material of the first lead wire in a first insulation joint region which is a region different from the first electrical joint region in the surface direction of the insulator sheet and in which the insulator sheet and the first cover material of the first lead wire are disposed to be overlapped;
• a second electrical joint part, electrically joining the second electrode sheet and the second core wire of the second lead wire in a second electrical joint region which is a region in the surface direction of the insulator sheet and in which the second electrode sheet and the second core wire of the second lead wire are disposed to be overlapped;
• and
• a second insulation joint part, joining the insulator sheet and the second cover material of the second lead wire in a second insulation joint region which is a region different from the second electrical joint region in the surface direction of the insulator sheet and in which the insulator sheet and the second cover material of the second lead wire are disposed to be overlapped,
• wherein the first electrical joint part and the second electrical joint part are disposed to be spaced apart in the surface direction of the insulator sheet, and
• the first insulation joint part and the second insulation joint part are disposed to be spaced apart in the surface direction of the insulator sheet,
• the portion of the first lead wire that is disposed to be overlapped with the first electrode sheet is disposed between the first electrode sheet and the insulator sheet,
• the portion of the second lead wire that is disposed to be overlapped with the second electrode sheet is disposed between the second electrode sheet and the insulator sheet,
• the first electrical joint region and the first insulation joint region are overlapped with the first electrode sheet but are not overlapped with the second electrode sheet, and
• the second electrical joint region and the second insulation joint region are overlapped with the second electrode sheet but are not overlapped with the first electrode sheet.