af motor lf for cameras with large lens conemp
- function：
- autofocus
- pixels：
- hd
compared with the old products, what are the improvements（structure, material, technology, process, performance and use function）
with the increasing mobile phone camera pixel camera, auto focus motor dynamic axis tilt angle requirements increasingly strict, consider upgrading the camera autofocus motor can meet the high pixel application, the new products of high pixel camera autofocus motor has the following improvement:
| |
old products |
new product |
utility |
| material quality |
/ |
/ |
/ |
| structure |
elements contained in a metal case |
sandwich interlocking structure |
pre-stress generated after elements being assembled in right places |
| design |
the motor magnet coils being evenly arranged on the four sides and four corners of the motor. |
ring yoke matched with annular sheet magnet |
improved flux utilization to increase thrust |
| technology |
sheet magnet with single-sided unipolar magnetic polarization |
ring magnet of unidirectional magnetization |
increased magnet source volume |
| performance |
autofocus of ordinary lens |
long travelled focus for large-size lens |
suitable for autofocus of large lens in monitoring camera |
| use function |
/ |
/ |
/ |
| |
old products |
| material quality |
/ |
| structure |
elements contained in a metal case |
| design |
the motor magnet coils being evenly arranged on the four sides and four corners of the motor. |
| technology |
sheet magnet with single-sided unipolar magnetic polarization |
| performance |
autofocus of ordinary lens |
| use function |
/ |
| |
new product |
| material quality |
/ |
| structure |
sandwich interlocking structure |
| design |
ring yoke matched with annular sheet magnet |
| technology |
ring magnet of unidirectional magnetization |
| performance |
long travelled focus for large-size lens |
| use function |
/ |
| |
utility |
| material quality |
/ |
| structure |
pre-stress generated after elements being assembled in right places |
| design |
improved flux utilization to increase thrust |
| technology |
increased magnet source volume |
| performance |
suitable for autofocus of large lens in monitoring camera |
| use function |
/ |
