1. An electronic system comprising:
a printed circuit board;
a plurality of first electronic components and second electronic components mounted on the printed circuit board;
a casing having the printed circuit board with the first and second electronic components mounted therein, the casing defining an opening at a side thereof, the first and second electronic components facing toward the opening;
a heat dissipation structure covering the opening of the casing and comprising:
a base comprising:
a first engaging portion contacting the first and second electronic components in the casing, and
a second engaging portion; and
a plurality of fins extending from the base and located outside of the casing; and
a first electronic device mounted in the casing and spaced from the printed circuit board, wherein the second engaging portion contacts the first electronic device, and the first engaging portion and the second engaging portion of the base of the heat dissipation structure are at different levels.
2. The electronic system of claim 1, wherein the first engaging portion of the base of the heat dissipation structure forms a plurality of steps contacting the first electronic components in the casing.
3. The electronic system of claim 2, wherein the steps of the first engaging portion of the base of the heat dissipation structure are at different heights from each other.
4. The electronic system of claim 2, wherein the first engaging portion of the base of the heat dissipation structure defines a plurality of grooves receiving at least portions of the second electronic components, the second electronic components contacting the first engaging portion of the base in the grooves.
5. The electronic system of claim 2, further comprising a plurality of third electronic components, wherein the first engaging portion of the base of the heat dissipation structure defines a plurality of recesses receiving at least portions of the third electronic components therein.
6. The electronic system of claim 1, further comprising a second electronic device, wherein the second engaging portion of the base further contacts the second electronic device.
7. The electronic system of claim 1, wherein the casing defines a cutout adjacent to a corner thereof and in communication with the opening.
8. The electronic system of claim 7, wherein the heat dissipation structure defines a notch adjacent to a corner thereof and corresponding to the cutout of the casing.
9. A computer system comprising:
a casing defining an opening at a side thereof;
a motherboard arranged in the casing, the motherboard comprising a printed circuit board facing toward the opening of the casing, and a plurality of first electronic components and a plurality of second electronic components mounted on the printed circuit board and facing toward the opening;
a hard disk located at a side of the motherboard; and
a heat dissipation structure covering the opening of the casing, the heat dissipation structure comprising a base engaging with the casing and a plurality of fins extending from the base, the base comprising a first engaging portion contacting the first and second electronic components and a second engaging portion contacting the hard disk, the first engaging portion and the second engaging portion being at different levels from each other, each of the first electronic components having a main heat-generating face parallel to the printed circuit board and contacting the first engaging portion of the base of the heat dissipation structure, each of the second electronic components having a main heat-generating face perpendicular to the printed circuit board and contacting the first engaging portion of the base of the heat dissipation structure.
10. The computer system of claim 9, wherein the fins extend away from the casing.
11. The computer system of claim 9, wherein the first engaging portion of the base of the heat dissipation structure forms a plurality of steps corresponding to and contacting the main heat-generating faces of the first electronic components of the printed circuit board.
12. The computer system of claim 11, wherein the steps of the first engaging portion of the base are at different heights from each other.
13. The computer system of claim 11, wherein the first engaging portion of the base of the heat dissipation structure defines a plurality of grooves corresponding to and receiving the second electronic components therein, the main heat-generating faces of the second electronic components contacting the first engaging portion at lateral sides of the grooves.
14. The computer system of claim 9, wherein the motherboard further comprises a plurality of capacitors, and the first engaging portion of the base of the heat dissipation structure defines a plurality of recesses receiving the capacitors therein.
15. The computer system of claim 14, wherein the capacitors are not in contact with the first engaging portion in the recesses.
16. A heat dissipation device comprising:
a base comprising a bottom face and a top face, the bottom face comprising a first engaging portion configured for contacting a first electronic component and a second engaging portion configured for contacting a second electronic component, the first contacting portion being substantially perpendicular to the second contacting portion; and
a plurality of fins extending from the top face of the base.
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 composite laminate mirror, comprising:
a rigid substrate;
a reflective sheet laminated to the rigid substrate.
2. The mirror of claim 1 further comprising an adhesive securing the rigid substrate to the reflective sheet.
3. The mirror of claim 1 wherein the rigid substrate is a glass substrate.
4. The mirror of claim 1 wherein the reflective sheet is a flexible plastic sheet.
5. The mirror of claim 1 wherein the reflective sheet has a multilayer construction.
6. The mirror of claim 5 wherein the reflective sheet includes a metallic film.
7. The mirror of claim 6 wherein said metallic film is Mylar.
8. The mirror of claim 5 wherein the multilayer construction is a multilayer laminate comprising at least a first reflective layer and a supporting layer supplying stiffness to said first reflective layer.
9. The mirror of claim 8 wherein said multilayer laminate further includes a backing layer laminated to said supporting layer.
10. The mirror of claim 9 wherein said backing layer is formed from a poly-foam material.
11. The mirror of claim 10 wherein said poly-foam material is polyurethane.
12. The mirror of claim 8 further comprising a latex-based contact cement bonding said first reflective layer to said supporting layer.
13. The mirror of claim 5 wherein the reflective sheet further includes a plastic layer on which the metallic film is applied.
14. The mirror of claim 13 wherein said metallic film includes chrome.
15. The mirror of claim 2 wherein said adhesive is heat curable.
16. The mirror of claim 2 wherein said adhesive is UV curable.
17. The mirror of claim 1 wherein said reflective sheet includes a second substrate and at least one thin film layer deposited on said substrate.
18. The mirror of claim 17 wherein said second substrate is a metallic sheet.
19. The mirror of claim 18 wherein said metallic sheet is a rolled metal sheet.
20. The mirror of claim 18 wherein said second substrate is a plastic sheet.
21. The mirror of claim 17 wherein said at least one thin film layer includes a silver layer.
22. The mirror of claim 17 further comprising a thin film silicon dioxide layer deposited on said substrate.
23. The mirror of claim 22 further comprising a passivating layer deposited on said silicon dioxide layer.
24. The mirror of claim 23 wherein said passivating layer is silicon nitride.
25. The mirror of claim 23 further comprising a thin film silver layer deposited over said silicon dioxide layer.
26. The mirror of claim 23 further comprising a thin film silver layer deposited over said passivating layer.
27. The mirror of claim 24 further comprising a thin film silver layer deposited over said silicon nitride layer.
28. A video projection device comprising:
a cabinet having front and rear sections;
a projection tube for projecting a video image;
a screen located in the front section of the cabinet, said screen having a first surface onto which the video image is projected and a second surface for displaying the video image so that it is observable by a viewer;
a mirror arranged in the cabinet for reflecting light to the first surface of the screen; and
wherein said mirror is a composite laminate mirror that includes a rigid substrate and a reflective sheet laminated to the rigid substrate.
29. The video projection device of claim 28 further comprising an adhesive securing the rigid substrate to the reflective sheet.
30. The video projection device of claim 28 wherein the rigid substrate is a glass substrate.
31. The video projection device of claim 28 wherein the reflective sheet is a flexible plastic sheet.
32. The video projection device of claim 28 wherein the reflective sheet has a multilayer construction.
33. The video projection device of claim 32 wherein the reflective sheet includes a metallic film.
34. The video projection device of claim 33 wherein said metallic film is Mylar.
35. The video projection device of claim 32 wherein the multilayer construction is a multilayer laminate comprising at least a first reflective layer and a supporting layer supplying stiffness to said first reflective layer.
36. The video projection device of claim 35 wherein said multilayer laminate further includes a backing layer laminated to said supporting layer.
37. The video projection device of claim 36 wherein said backing layer is formed from a poly-foam material.
38. The video projection device of claim 37 wherein said poly-foam material is polyurethane.
39. The video projection device of claim 35 further comprising a latex-based contact cement bonding said first reflective layer to said supporting layer.
40. The video projection device of claim 32 wherein the reflective sheet further includes a plastic layer on which the metallic film is applied.
41. The video projection device of claim 40 wherein said metallic film includes chrome.
42. The video projection device of claim 29 wherein said adhesive is heat curable.
43. The video projection device of claim 29 wherein said adhesive is UV curable.
44. The video projection device of claim 28 wherein said reflective sheet includes a second substrate and at least one thin film layer deposited on said substrate.
45. The video projection device of claim 44 wherein said second substrate is a metallic sheet.
46. The video projection device of claim 45 wherein said metallic sheet is a rolled metal sheet.
47. The video projection device of claim 45 wherein said second substrate is a plastic sheet.
48. The video projection device of claim 44 wherein said at least one thin film layer includes a silver layer.
49. The video projection device of claim 44 further comprising a thin film silicon dioxide layer deposited on said substrate.
50. The video projection device of claim 49 further comprising a passivating layer deposited on said silicon dioxide layer.
51. The video projection device of claim 50 wherein said passivating layer is silicon nitride.
52. The video projection device of claim 50 further comprising a thin film silver layer deposited over said silicon dioxide layer.
53. The video projection device of claim 50 further comprising a thin film silver layer deposited over said passivating layer.
54. The video projection device of claim 51 further comprising a thin film silver layer deposited over said silicon nitride layer.