1. A lens actuator resilient plate comprising:
a plate shaped body having a central portion and a periphery portion surrounding the central portion, the plate shaped body comprising
a through hole defined in the central portion of the plate shaped body;
a plurality of slots defined in the plate shaped body, the slots cooperatively surrounding the through hole and being oriented an angle with respect to each other; and
a plurality of glue-holes defined in the periphery portion of the plate shaped body, the glue-holes being configured for receiving an amount of an adhesive.
2. The lens actuator resilient plate of claim 1, wherein the plate shaped body is a substantially square plate.
3. The lens actuator resilient plate of claim 2, wherein the plate shaped body includes a first edge, a second edge, a third edge, and a fourth edge, the first edge is substantially parallel to the third edge, and the second edge is substantially parallel to the fourth edge.
4. The lens actuator resilient plate of claim 3, wherein the glue-holes are arranged adjacent to and aligned with the first edge, the second edge, the third edge, and the fourth edge.
5. The lens actuator resilient plate of claim 1, wherein the plate shaped body is a substantially disk shaped plate.
6. The lens actuator resilient plate of claim 5, wherein the glue-holes are arranged along an imaginary circle which is substantially parallel to the outer edge of the body.
7. A lens actuator, comprising:
a lens barrel for accommodating the lens, a coil wrapped around the lens barrel, a plurality of magnets, a bracket for mounting the magnets thereon and accommodating the lens barrel therein, an adhesive, and a resilient plate connected between the bracket and the lens barrel to hold the lens barrel on the bracket, wherein the resilient plate comprises
a plate body comprising
a through hole defined in the center of the plate body;
a plurality of slots defined in the plate shaped body, the slots cooperatively surrounding the through hole and being oriented an angle with respect to each other; and
a plurality of glue-holes defined in the periphery portion of the plate body, the adhesive received in the glue-holes.
8. The lens actuator as claimed in claim 7, wherein the resilient plate further comprises a plurality of pinholes defined in the periphery portion of the plate body, the bracket comprises a plurality of first positioning pins corresponding to the pinholes, and the resilient plate is fastened to the bracket by engagement of the pinholes with the respective first positioning pins.
9. The lens actuator of claim 8, wherein the plate body is a substantially square plate.
10. The lens actuator of claim 9, wherein the plate body includes a first edge, a second edge, a third edge, and a fourth edge, the first edge is substantially parallel to the third edge, and the second edge is substantially parallel to the fourth edge.
11. The lens actuator of claim 10, wherein the glue-holes are arranged along four imaginary straight lines substantially parallel to the first edge, the second edge, the third edge, and the fourth edge respectively.
12. The lens actuator of claim 8, wherein the plate body is a substantially disk shaped plate.
13. The lens actuator of claim 12, wherein the glue-holes are arranged along an imaginary circle which is substantially parallel to the outer edge of the body.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A process for the purification of glyphosate (PMG) comprising:
1) dissolving or suspending a material comprising PMG in water, in the presence of a base, to produce a composition comprising a PMG salt in an aqueous base,
2) contacting the composition with an acid, such that the PMG salt is neutralized, forming a precipitate of PMG, and
3) isolating the precipitate of PMG,
with the proviso that the composition of step 1) is not concentrated or filtered using a nanofiltration membrane.
2. The process of claim 1 wherein the amount of base is from 0.5 to 1.2 molar equivalents, based on the moles of PMG material.
3. The process of claim 1 wherein amount of acid utilized for neutralization is from 0.5 to 1.3 molar equivalents, based on the moles of PMG material.
4. The process of claim 1 wherein the base is sodium hydroxide.
5. The process of claim 1 wherein the acid is hydrochloric acid.
6. The process of claim 1 wherein the purified PMG product contains less than 0.1 wt. percent glycine, based on the total weight of the purified PMG product.
7. The process of claim 1 wherein the purified PMG product contains less than 0.1 wt. percent MePMG, based on the total weight of the purified PMG product.
8. The process of claim 1 wherein the purified PMG product contains less than 0.2 wt. percent glyphosine, based on the total weight of the purified PMG product.
9. The process of claim 1 wherein the product of step 2) has a pH of from 0.9 to 2.9.
10. The process of claim 1 wherein the product of step 2) has a pH of from 0.9 to 1.25.