1. A process of removing a first solvent from a mass of powdered amoxycillin in which the first solvent is not naturally occurring, the process comprising:
(a) contacting the mass of powdered amoxycillin with second solvent comprising a C1-C4, fluorinated hydrocarbon so as to charge the second solvent with the first solvent; and
(b) separating charged second solvent from the remainder of the mass of powdered amoxycillin.
2. A process according to claim 1, wherein said first solvent is a volatile contaminant.
3. A process according to claim 1, wherein said first solvent has a boiling point of greater than 25\xb0 C. and less than 300\xb0 C.
4. A process according to claim 1, wherein said first solvent is a liquid under the conditions at which said material is contacted with said second solvent.
5. A process according to claim 1, wherein said first solvent is an organic solvent.
6. A process according to claim 5, wherein said second solvent is a chlorinated solvent.
7. A process according to claim 6, wherein said second solvent is tetrachloromethane, perchloromethane, or trichloromethane.
8. A process according to claim 6, wherein said second solvent is dichloromethane.
9. A process according to claim 1, wherein said first solvent is selected from an optionally substituted cyclic, aromatic or aliphatic hydrocarbon, an alcohol, ester, ketone, ether, nitrile or amine.
10. A process according to claim 1, wherein said first solvent is brought into contact with other components in said mass of powdered amoxicillin in an upstream process step.
11. A process according to claim 1, wherein the C1-C4 fluorinated hydrocarbon is non-chlorinated.
12. A process according to claim 1, wherein said hydrofluorocarbon is aliphatic.
13. A process according to claim 1, wherein said hydrofluorocarbon has a boiling point at atmospheric pressure of less than 20\xb0 C.
14. A process according to claim 1, wherein said hydrofluorocarbon has a boiling point at atmospheric pressure of greater than \u221290\xb0 C.
15. A process according to claim 1, wherein said hydrofluorocarbon is tetrafluoroethane.
16. A process according to claim 1, wherein said second solvent used in the process comprises a solvent mixture of a hydrofluorocarbon solvent and a co-solvent.
17. A process according to claim 1, wherein the hydrofluorocarbon is removed from the charged solvent and hence from the first solvent by distillation.
18. A process according to claim 1, including the step of removing said second solvent from the remainder of said mass of powdered amoxicillin after step (b).
19. A process according to claim 18, wherein removal of said second solvent is achieved by providing conditions for the evaporation of said second solvent.
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 method for manufacturing an optical unit having an optical element and a support member for supporting the optical element, the method comprising:
heating and deforming a portion of at least one of opposing surfaces of the optical element and the support member to extend the deformed portion toward the other of the opposing surfaces so that the optical element moves relative to the support member; and
securing the optical element and the support member together.
2. The manufacturing method of claim 1, wherein the heating and deforming step is performed by irradiating a laser to at least one of the opposing surfaces of the optical element and the support member.
3. The manufacturing method of claim 2, wherein the laser is irradiated through the optical element to the support member for deforming the support member.
4. The manufacturing method of claim 2, wherein the laser is irradiated through the support member to the optical element for deforming the optical element.
5. The manufacturing method of claim 2, further comprising:
providing a table with relationships between laser power, laser irradiation time, and an amount of deformation; and
adjusting the laser according to the table and an amount of tilting of the optical element relative to the support member.
6. The manufacturing method of claim 2, further comprising:
disposing an ultraviolet cure resin between the optical element and the support member; and
after deforming at least one of the optical element and the support member, irradiating ultraviolet light to the ultraviolet cure resin.
7. The manufacturing method of claim 2, wherein the optical element is made of amorphous polyolefin and the support member is made of liquid crystal polymer.
8. A method for manufacturing an optical unit having an optical element and a support member for supporting the optical element, the method comprising:
deforming at least one of opposing surfaces of the optical element and the support member; and
securing the optical element and the support member together,
wherein a laser is irradiated to at least one of the opposing surfaces of the optical element and the support member,
wherein one of the optical element and the support member is made of material capable of transmitting 80% or more of light having the same wavelength as the laser emitted from a laser source, and the other of the optical element and the support member is made of material capable of absorbing 80% or more of light having the same wavelength as the laser emitted from the laser source.
9. The manufacturing method of claim 8, wherein the wavelength of the laser emitted from the laser source has the wavelength of 810 nm.
10. The manufacturing method of claim 8, further comprising:
measuring a tilting of the optical element relative to the support member,
determining an amount of target deformation of at least one of the opposing surfaces of the optical element and the support member according to a measurement result and then deforming at least one of the opposing surfaces; and
measuring again the tilting of the optical element relative to the support member; and
deforming again at least one of the opposing surfaces if the measurement result is less than the target value.
11. An optical unit comprising:
a support member; and
an optical member supported by the support member;
the support member having a first portion for supporting the optical member;
the optical member having a second portion opposing the first portion of the support member; and
one of the first and second portions having a projection that is projected into contact with the other of the first and second portions,
wherein a position of the optical element relative to the support member is adjusted by heating and deforming the projection.
12. The optical unit of claim 11, further comprising an ultraviolet cure resin in a gap defined between the first and second portions and around the projection, the ultraviolet cure resin being cured to secure the first and second portions.
13. The optical unit of claim 12, wherein the optical member is a lens made of material capable of transmitting 80% or more of light having a wavelength of 801 nm and the support member is a lens holder made of material capable of absorbing 80% or more of light having a wavelength of 810 nm.