Article of manufacture including a two-part adhesive with a fluorescent dye and method of making
View Patent ↗An article of manufacture including a first adherend and a two-part adhesive mixed and dispensed on the first adherend, wherein the first part of the two-part adhesive includes a first fluorescent dye. The article of manufacture further includes a second adherend in contact with the two-part adhesive.
1. An article of manufacture, comprising:
a first adherend;
a mixed, non-ultraviolet curable two-part adhesive disposed on said first adherend, wherein the first part of the two part adhesive includes a first fluorescent dye.
2. The article of manufacture in accordance with claim 1 , wherein upon exposure to ultraviolet light said first fluorescent dye generates a fluorescent signal providing a degree of mixing value of said mixed two-part adhesive.
3. The article of manufacture in accordance with claim 1 , wherein upon exposure to ultraviolet light said first fluorescent dye generates a fluorescent signal providing an accuracy of metering value of said mixed two-part adhesive.
4. The article of manufacture in accordance with claim 1 , wherein upon exposure to ultraviolet light said first fluorescent dye generates a fluorescent signal providing a thoroughness of mixing value of said mixed two-part adhesive.
5. The article of manufacture in accordance with claim 1 , wherein said fluorescent dye is non-reactive to the second part of said two part adhesive.
6. The article of manufacture in accordance with claim 1 , wherein the second part of said two-part adhesive further comprises a second fluorescent dye different from said first fluorescent dye.
7. The article of manufacture in accordance with claim 1 , wherein said first and said second fluorescent dyes each further comprises an emission curve having a peak separately detectable from each other.
8. The article of manufacture in accordance with claim 1 , wherein said first fluorescent dye is 1-naphthol or 2-naphthol.
9. The article of manufacture in accordance with claim 1 , wherein said first fluorescent dye is an inorganic fluorescer.
10. The article of manufacture in accordance with claim 1 , wherein said two-part adhesive is selected from the group consisting of a two-part epoxy adhesive, a two-part silicone adhesive, a two-part urethane adhesive, a two-part polysulfide adhesive, a two-part polynorbornene adhesive, or mixtures thereof.
11. The article of manufacture in accordance with claim 1 , wherein said two-part adhesive further comprises a thermally cured two-part adhesive.
12. The article of manufacture in accordance with claim 1 , wherein said two-part adhesive further comprises a two-part adhesive having a viscosity in the range from about 50,000 to about 250,000 centipoise.
13. The article of manufacture in accordance with claim 1 , wherein said two-part adhesive has a thickness in the range from about 200 micrometers to about 1000 micrometers.
14. The article of manufacture in accordance with claim 1 , wherein said two-part adhesive has a thickness in the range from about 10 micrometers to about 1000 micrometers.
15. The article of manufacture in accordance with claim 1 , wherein said two-part adhesive has a thickness in the range from about 400 micrometers to about 700 micrometers.
16. The article of manufacture in accordance with claim 1 , wherein said two-part adhesive has a thickness in the range from about 25 micrometers to about 250 micrometers.
17. The article of manufacture in accordance with claim 1 , wherein said two-part adhesive further comprises an amount of said first fluorescent dye added to the first part of said two-part adhesive in the range from about 0.001 weight percent to about 1.0 weight percent.
18. The article of manufacture in accordance with claim 1 , wherein said two-part adhesive further comprises an amount of said first fluorescent dye added to the first part of said two-part adhesive in the range from about 0.01 weight percent to about 0.5 weight percent.
19. The article of manufacture in accordance with claim 1 , wherein said two-part adhesive is an encapsulant.
20. The article of manufacture in accordance with claim 19 , wherein said encapsulant further comprises a material providing moisture and corrosion protection to an electrical interconnection.
21. The article of manufacture in accordance with claim 1 , wherein said first adherend or said second adherend further comprises an active device disposed thereon.
22. The article of manufacture in accordance with claim 1 , wherein said first adherend further comprises a chip carrier.
23. The article of manufacture in accordance with claim 22 , wherein said chip carrier further comprises a ceramic chip carrier.
24. The article of manufacture in accordance with claim 23 , wherein said ceramic chip carrier further comprises a multilayer ceramic chip carrier having micro-fluidic channels formed therein.
25. The article of manufacture in accordance with claim 1 , wherein said second adherend further comprises a silicon die.
26. The article of manufacture in accordance with claim 25 , wherein said silicon die further comprises at least one fluid ejector actuator.
27. A fluid ejector head comprising an article of manufacture of claim 25 .
28. A fluid ejector cartridge, comprising:
at least one fluid ejector head of claim 27 ; and
at least one fluid reservoir fluidically coupled to said fluid ejector head.
29. An article of manufacture, comprising:
a first adherend;
a mixed two-part adhesive dispensed on said first adherend;
means for fluorescently determining a degree of mixing value of said mixed two-part adhesive; and
a second adherend in contact with said mixed two-part adhesive.
30. The article of manufacture in accordance with claim 29 , wherein said degree of mixing further comprises means for generating an accuracy of metering value.
31. The article of manufacture in accordance with claim 29 , wherein said degree of mixing further comprises means for generating a thoroughness of mixing value.
32. The article of manufacture in accordance with claim 29 , wherein said first adherend or second adherend further comprises means for ejecting a fluid.
33. The article of manufacture in accordance with claim 32 , further comprises means for storing said fluid.
34. A method of making an article of manufacture, comprising:
dispensing a two-part adhesive on a first adherend;
exposing said dispensed two-part adhesive to ultraviolet light;
causing a first fluorescent dye in said dispensed two-part adhesive to fluoresce;
measuring light emitted from at least a portion of said dispensed two-part adhesive;
determining a first intensity value of said measured light emitted from said two-part adhesive; and
generating a degree of mixing value.
35. The method in accordance with the method of claim 34 , wherein generating said degree of mixing value further comprises generating accuracy of metering value.
36. The method in accordance with the method of claim 34 , wherein generating said degree of mixing value further comprises a thoroughness of mixing value.
37. The method in accordance with the method of claim 36 , wherein generating said thoroughness of mixing value further comprises:
averaging the intensity value of a number of pixels; and
generating a localized intensity value representative of a local area of said dispensed two-part adhesive on said first adherend.
38. An article of manufacture manufactured in accordance with the method of claim 37 .
39. The method in accordance with the method of claim 36 , wherein generating said thoroughness of mixing value further comprises taking a higher resolution image of at least a portion of said dispensed two-part adhesive on said first adherend.
40. The method in accordance with the method of claim 34 , wherein generating said degree of mixing value further comprises dividing said first intensity value by a second intensity value, whereby said degree of mixing is determined.
41. The method in accordance with the method of claim 40 wherein said second intensity value further comprises a predetermined standard value.
42. The method in accordance with the method of claim 34 , wherein exposing said dispensed two-part adhesive to ultraviolet light further comprises exposing said dispensed two-part adhesive to ultraviolet light in the range from about 200 nanometers to about 440 nanometers.
43. The method in accordance with the method of claim 34 , wherein exposing said dispensed two-part adhesive to ultraviolet light further comprises exposing said dispensed two-part adhesive to ultraviolet light in the range from about 300 nanometers to about 400 nanometers.
44. The method in accordance with the method of claim 34 , further comprising metering the first part including said first fluorescent dye and the second part in a predetermined ratio.
45. The method in accordance with the method of claim 34 , further comprising mixing the first part including said first fluorescent dye and the second part of said two-part adhesive together.
46. The method in accordance with the method of claim 45 , wherein mixing the first part and the second part further comprises mixing the first and second parts utilizing a dual inlet positive displacement pump.
47. The method in accordance with the method of claim 34 , further comprising mixing the first part including said first fluorescent dye and the second part including a second fluorescent dye together.
48. The method in accordance with the method of claim 47 , further comprising:
causing said second fluorescent dye in said dispensed two-part adhesive to fluoresce;
measuring light emitted, from said second fluorescent dye, from at least a portion of said dispensed two-part adhesive;
determining said second intensity value of said measured light emitted from said second fluorescent dye; and
generating a degree of mixing from the ratio of said first intensity value and said second intensity value.
49. An article of manufacture manufactured in accordance with the method of claim 48 .
50. The method in accordance with the method of claim 48 , wherein generating said degree of mixing value further comprises generating an accuracy of metering value.
51. The method in accordance with the method of claim 48 , wherein generating said degree of mixing value further comprises generating a thoroughness of mixing value.
52. The method in accordance with the method of claim 34 , wherein dispensing said two-part adhesive further comprises dispensing a two-part adhesive having a first fluorescent dye, non-reactive to other components of said first part of said two-part adhesive.
53. The method in accordance with the method of claim 34 , wherein dispensing said two-part adhesive further comprises dispensing a two-part adhesive selected from the group consisting of a two-part epoxy adhesive, a two-part silicone adhesive, a two-part urethane adhesive, a two-part polysulfide adhesive, a two-part polynorbornene adhesive, or combinations thereof.
54. The method in accordance with the method of claim 34 , wherein dispensing said two-part adhesive further comprises dispensing a non-ultraviolet curable two-part adhesive.
55. The method in accordance with the method of claim 34 , wherein dispensing said two-part adhesive further comprises dispensing a two-part adhesive having a viscosity in the range from about 50,000 to about 250,000 centipoise.
56. The method in accordance with the method of claim 34 , wherein dispensing said two-part adhesive further comprises dispensing a two-part adhesive having a thickness in the range from about 10 micrometers to about 1000 micrometers.
57. An article of manufacture manufactured in accordance with the method of claim 34 .
58. The method in accordance with the method of claim 34 , wherein dispensing said two-part adhesive further comprises dispensing a two-part adhesive on a silicon die.
59. The method in accordance with the method of claim 34 , wherein dispensing said two-part adhesive further comprises dispensing a two-part adhesive on a fluid ejection cartridge body.
60. The method in accordance with the method of claim 34 , wherein dispensing said two-part adhesive further comprises dispensing a two-part adhesive on a ceramic chip carrier.
61. The method in accordance with the method of claim 34 , further comprising contacting a second adherend to said dispensed two-part adhesive on said first adherend.
62. The method in accordance with the method of claim 34 , wherein measuring light emitted further comprises measuring light emitted utilizing a detector that senses the strength of the emitted light.
63. The method in accordance with the method of claim 62 , wherein said detector further comprises a lens system.
64. The method in accordance with the method of claim 63 , wherein said lens system further comprises a charge coupled device camera.
65. The method in accordance with the method of claim 34 , wherein dispensing said two part adhesive further comprises dispensing said two-part adhesive in a two dimensional pattern.
66. The method in accordance with the method of claim 34 , wherein dispensing said two part adhesive further comprises dispensing said two-part adhesive utilizing an XYZ motion platform.
67. A method of making an article of manufacture, comprising:
mixing a first part including a fluorescent dye and a second part of a two-part adhesive;
dispensing a two-part adhesive on a first adherend;
exposing said dispensed two-part adhesive to ultraviolet light;
causing a first fluorescent dye in said dispensed two-part adhesive to fluoresce;
measuring light emitted from at least a portion of said dispensed two-part adhesive;
determining a first intensity value of said measured light emitted from said two-part adhesive;
generating a degree of mixing value;
generating a value representative of an accuracy of metering;
generating a value representative of a thoroughness of mixing; and
contacting a second adherend to said dispensed two-part adhesive on said first adherend.
68. An article of manufacture, comprising:
a first adherend;
a two-part non-ultraviolet light curable epoxy adhesive mixed and dispensed on said first adherend, wherein the first part of the two part adhesive includes a first fluorescent dye in the range from about 0.01 weight percent to about 0.5 weight percent, said first fluorescent dye generates an emitted light intensity from said two-part non-ultraviolet light curable epoxy adhesive, providing a value of a degree of mixing between the first and the second part of said two-part non-ultraviolet light curable epoxy adhesive; and
a second adherend in contact with said two-part non-ultraviolet light curable epoxy adhesive.