Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2011-07-26
2011-07-26
Leung, Quyen (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S043000, C310S179000, C310S180000, C310S216002, C310S216003, C029S596000
Reexamination Certificate
active
07986063
ABSTRACT:
A high-precision cylindrical coil having a high-precision fine coil pattern and a high mechanical precision such as fine roundness and no axial runout, and a cylindrical micrometer using the cylindrical coil are provided.In a cylindrical coil, a plurality of layers of coil patterns formed by filling the coil pattern grooves formed on a cylindrical substrate with a conductor and a plurality of insulating layers coating the cylindrical substrate are formed, the layers of coil patterns are electrically interconnected to each other by filling a through-hole formed by performing a hole forming process with a conductor, and the outmost layer is made of an insulating material.
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International Search Report for PCT/JP2006/310517 Dated Aug. 8, 2006
Hiyama Yoshihito
Imaizumi Nobuo
Nakamura Kazuya
Kim John K
Leung Quyen
Namiki Seimitsu Houseki Kabushiki Kaisha
Studebaker Donald R.
Studebaker & Brackett PC
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