World's smallest motor now even smaller

摘要

Last year Elettor reported on the smallest hand-made miniature electric motor, with an E-weekly item in April 2009 editon and an article with a drive circuit in the November 2009 edition of Elektor. With this motor, Elektor reader Jos d'Haens booked a world record and managed to obtain an official certificate from Guinness World Records, natu-rally accompanied by a notice in the well-known Guinness book. Now, thanks to improved and refined production methods and production tooling, Jos d'Haens has succeeded in further reducing the size of the motor, which was already good for a world record last year, so much that its volume could be reduced from 1.9 mm~3 to 0.9 mm~3 (or more precisely, 1.30 × 0.65 = 0.863 mm~3), which breaks the 'psychological barrier' of 1 mm~3.