What is claimed is:
1. A method of fabricating a polishing pad having a detection window thereon, comprising:
providing a transparent thermosetting plastic part and a mold with a cavity, wherein the transparent thermosetting plastic part is not completely hardened;
placing the transparent thermosetting plastic part into the cavity of the mold;
injecting a high molecular weight foam into the cavity of the mold, wherein the high molecular weight foam and the transparent thermosetting plastic part become completely hardened at the same time; and
performing demolding to remove the mold, so as to obtain the polishing pad with the detection window.
2. The method of claim 1, wherein a material of the transparent thermosetting plastic part is selected from the following group consisting of a fully transparent high molecular weight material and a semi-transparent high molecular weight material.
3. The method of claim 1, wherein a material of the transparent thermosetting plastic part is selected from the following group consisting of acrylic resin (PMMA), polyurethane (PU), polyvinyl chloride (PVC), epoxy resin and unsaturated polyester (UP).
4. The method of claim 1, wherein the transparent thermosetting plastic part has a hardness ranging from 70 Shore A to 75 Shore D.
5. The method of claim 1, wherein the transparent thermosetting plastic part has a central portion thicker than a peripheral portion.
6. The method of claim 1, wherein the high molecular weight foam comprises a polyurethane foam.
7. The method of claim 1, wherein the transparent thermosetting plastic part has a shape selected from the following group consisting of round, ellipsoidal and tetragonal.
8. The method of claim 1, wherein a side surface of the transparent thermosetting plastic part is an uneven surface.
9. The method of claim 8, wherein the side surface of the transparent thermosetting plastic part is configured to have a shape selected from the following group consisting of a serrated shape, a wavy shape and a toothed shape.
10. The method of claim 1, wherein the polishing pad has an attrition rate equivalent to that of the detection window.
11. A method of fabricating a polishing pad having a detection window thereon, comprising:
providing a transparent thermosetting plastic part and a mold with a cavity, wherein the transparent thermosetting plastic part is not completely hardened;
placing the transparent thermosetting plastic part into the cavity of the mold;
injecting a high molecular weight foam into the cavity of the mold;
forming a high molecular weight material layer on the high molecular weight foam in the cavity of the mold; wherein the high molecular weight foam, the high molecular weight material layer and the transparent thermosetting plastic part become completely hardened at the same time; and
performing demolding to remove the mold, so as to obtain the polishing pad with the detection window.
12. The method of claim 11, wherein a material of the transparent thermosetting plastic part is selected from the following group consisting of a fully transparent high molecular weight material and a semi-transparent high molecular weight material.
13. The method of claim 11, wherein a material of the transparent thermosetting plastic part is selected from the following group consisting of acrylic resin (PMMA), polyurethane (PU), polyvinyl chloride (PVC), epoxy resin and unsaturated polyester (UP).
14. The method of claim 11, wherein the transparent thermosetting plastic part has a hardness ranging from 70 Shore A to 75 Shore D.
15. The method of claim 11, wherein the transparent thermosetting plastic part has a central portion thicker than a peripheral portion.
16. The method of claim 11, wherein the high molecular weight foam comprises a polyurethane foam.
17. The method of claim 11, wherein a material of the high molecular weight material layer is selected from the following group consisting of polyurethane (PU), silicon rubber, polybutyl rubber (PBR), polyvinyl chloride (PVC) latex and polyacrylic acid series (PMMA) latex.
18. The method of claim 11, wherein the transparent thermosetting plastic part has a shape selected from the following group consisting of round, ellipsoidal and tetragonal.
19. The method of claim 11, wherein a side surface of the transparent thermosetting plastic part is an uneven surface.
20. The method of claim 19, wherein the side surface of the transparent thermosetting plastic part is configured to have a shape selected from the following group consisting of a serrated shape, a wavy shape and a toothed shape.
21. The method of claim 11, wherein the high molecular weight foam has a hardness larger than that of the high molecular weight material layer.
22. The method of claim 21, wherein the hardness of the high molecular weight foam ranges from 30 Shore D to 80 Shore D.
23. The method of claim 21, wherein the high molecular weight material layer has a hardness ranging from 5 Shore A to 60 Shore A.
24. The method of claim 11, wherein the polishing pad has an attrition rate equivalent to that of the detection window.
25. A method of fabricating a polishing pad having a detection window thereon, comprising:
providing a transparent thermosetting plastic part and a mold with a cavity, wherein the transparent thermosetting plastic part is not completely hardened;
placing the transparent thermosetting plastic part into the cavity of the mold, while a side surface of the transparent thermosetting plastic part is coated with an incomplete reactive material;
injecting a high molecular weight foam into the cavity of the mold, wherein the incomplete reactive material has chemical reactions with the high molecular weight foam, and wherein the incomplete reactive material, the high molecular weight foam and the transparent thermosetting plastic part become completely hardened at the same time; and
performing demolding to remove the mold, so as to obtain the polishing pad with the detection window.
26. The method of claim 25, wherein a material of the transparent thermosetting plastic part is selected from the following group consisting of a fully transparent high molecular weight material and a semi-transparent high molecular weight material.
27. The method of claim 25, wherein a material of the transparent thermosetting plastic part is selected from the following group consisting of acrylic resin (PMMA), polyurethane (PU), polyvinyl chloride (PVC), epoxy resin and unsaturated polyester (UP).
28. The method of claim 25, wherein the transparent thermosetting plastic part has a hardness ranging from 70 Shore A to 75 Shore D.
29. The method of claim 25, wherein the transparent thermosetting plastic part has a central portion thicker than a peripheral portion.
30. The method of claim 25, wherein the high molecular weight foam comprises a polyurethane foam.
31. The method of claim 25, wherein the incomplete reactive material comprises a thermal adhesive.
32. The method of claim 25, wherein the transparent thermosetting plastic part has a shape selected from the following group consisting of round, ellipsoidal and tetragonal.
33. The method of claim 25, wherein the side surface of the transparent thermosetting plastic part is an uneven surface.
34. The method of claim 33, wherein the side surface of the transparent thermosetting plastic part is configured to have a shape selected from the following group consisting of a serrated shape, a wavy shape and a toothed shape.
35. The method of claim 25, wherein the polishing pad has an attrition rate equivalent to that of the detection window.
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 print media stacking unit for an image forming apparatus, the print media stacking unit comprising:
a base frame supporting print media;
a cover pivotally connected to the base frame and supporting the print media together with the base frame; and
a plate connected to the cover to auxiliarily support the print media;
wherein the print media stacking unit is expandable to support variable sizes of print media, and the print media stacking unit is detachably mounted to the image forming apparatus.
2. The print media stacking unit as claimed in claim 1, wherein the base frame comprises a connecting portion connected to the cover.
3. The print media stacking unit as claimed in claim 2, wherein the base frame further comprises a pivot restricting portion restricting a movement of the cover.
4. The print media stacking unit as claimed in claim 3, wherein the movement of the cover is restricted to within a range of an acute angle with respect to the base frame.
5. The print media stacking unit as claimed in claim 2, wherein a plurality of connecting portions are provided on the base frame at regular intervals, and each connecting portion comprises a connecting boss which is accommodated into a hole formed at the cover.
6. The print media stacking unit as claimed in claim 1, wherein the plate is slidably connected to the cover.
7. The print media stacking unit as claimed in claim 1, wherein the plate is pivotally connected to the cover.
8. The print media stacking unit as claimed in claim 1, wherein a first size print media fits within a body of the image forming apparatus and is expandable to hold larger sizes of print media.
9. An image forming apparatus comprising:
a body comprising a scanning unit and a printing unit, the scanning unit scanning a document and inputting an image of the document to the printing unit and the printing unit printing the image; and
a print media stacking unit comprising:
a base frame supporting print media;
a cover pivotally connected to the base frame and supporting the print media together with the base frame; and
a plate connected to the cover to auxiliarily support the print media;
wherein the print media stacking unit is expandable to support variable sizes of print media, and the print media stacking unit is detachably mounted to the image forming apparatus.
10. The image forming apparatus as claimed in claim 9, wherein the base frame comprises a connecting portion connected to the cover.
11. The image forming apparatus as claimed in claim 10, wherein the base frame further comprises a pivot restricting portion restricting a movement of the cover.
12. The image forming apparatus as claimed in claim 11, wherein the movement of the cover is restricted to within a range of an acute angle with respect to the base frame.
13. The image forming apparatus as claimed in claim 10, wherein a plurality of connecting portions are provided on the base frame at regular intervals, and each connecting portions comprises a connecting boss which is accommodated into a hole formed at the cover.
14. The image forming apparatus as claimed in claim 9, wherein the plate is slidably connected to the cover.
15. The image forming apparatus as claimed in claim 9, wherein the plate is pivotally connected to the cover.
16. The image forming apparatus as claimed in claim 9, wherein a first size print media fits within the body of the image forming apparatus and is expandable to hold larger sizes of print media.
17. A print media stacking unit for an image forming apparatus, the print media stacking unit comprising a base frame supporting print media, wherein the print media stacking unit is expandable to support variable sizes of print media, and the print media stacking unit is detachably mounted to the image forming apparatus.
18. The print media stacking unit as claimed in claim 17, further comprising a cover pivotally connected to the base frame and supporting the print media together with the base frame.
19. The print media stacking unit as claimed in claim 18, wherein the base frame comprises a connecting portion connected to the cover.
20. The print media stacking unit as claimed in claim 19, wherein the base frame further comprises a pivot restricting portion restricting a movement of the cover.
21. The print media stacking unit as claimed in claim 20, wherein the movement of the cover is restricted to within a range of an acute angle with respect to the base frame.
22. The print media stacking unit as claimed in claim 19, wherein a plurality of connecting portions are provided on the base frame at regular intervals, and each connecting portion comprises a connecting boss which is accommodated into a hole formed at the cover.
23. The print media stacking unit as claimed in claim 18, further comprising a plate connected to the cover for auxiliarily supporting the print media.
24. The print media stacking unit as claimed in claim 23, wherein the plate is slidably connected to the cover.
25. The print media stacking unit as claimed in claim 23, wherein the plate is pivotally connected to the cover.
26. An image forming apparatus comprising:
a body comprising a scanning unit and a printing unit, the scanning unit scanning a document and inputting an image of the document to the printing unit and the printing unit printing the image; and
a print media stacking unit comprising a base frame supporting print media, wherein the print media stacking unit is expandable to support variable sizes of print media, and the print media stacking unit is detachably mounted to the image forming apparatus.
27. The image forming apparatus as claimed in claim 26, wherein the print media stacking unit further comprises a cover pivotally connected to the base frame and supporting the print media together with the base frame.
28. The image forming apparatus as claimed in claim 27, wherein the base frame comprises a connecting portion connected to the cover.
29. The image forming apparatus as claimed in claim 28, wherein the base frame further comprises a pivot restricting portion restricting a movement of the cover.
30. The image forming apparatus as claimed in claim 29, wherein the movement of the cover is restricted to within a range of an acute angle with respect to the base frame.
31. The image forming apparatus as claimed in claim 28, wherein a plurality of connecting portions are provided on the base frame at regular intervals, and each connecting portion comprises a connecting boss which is accommodated into a hole formed at the cover.
32. The image forming apparatus as claimed in claim 27, wherein the print media stacking unit further comprises a plate connected to the cover for auxiliarily supporting the print media.
33. The image forming apparatus as claimed in claim 32, wherein the plate is slidably connected to the cover.
34. The image forming apparatus as claimed in claim 32, wherein the plate is pivotally connected to the cover.