1. A computing device having a processor, the computing device comprising:
a note management application, implemented by the processor, configured to maintain a first group of digital notes and a second group of digital notes;
an image rendering module, implemented by the processor, configured to render a first group image representing the first group of digital notes and a second group image representing the second group of digital notes; and
a user interface configured to display the first group image and the second group image,
wherein the user interface is further configured to receive a first user input indicating a first position within the first group image and a second user input indicating a second position within the second group image, and
wherein the note management application is further configured to, responsive to receiving the first user input and the second user input:
identify a digital note in the first group of digital notes based on the first position,
modify the first group by removing the identified digital note from the first group, and
modify the second group by adding the identified digital note to the second group.
2. The computing device of claim 1, wherein the image rendering module is further configured to render a modified first group image representing the modified first group.
3. The computing device of claim 2, wherein a size of the modified first group image is reduced relative to a size of the first group image.
4. The computing device of claim 1, wherein the image rendering module is further configured to render a modified second group image representing the modified second group.
5. The computing device of claim 4, wherein the image rendering module is further configured to render the identified digital note proximate to the second position within the modified second group image.
6. The computing device of claim 4, wherein a size of the modified second group image is enlarged relative to a size of the second group image.
7. The computing device of claim 1, wherein the digital notes represented in at least one of the first and the second group images are arranged in a grid format.
8. The computing device of claim 1, wherein the user interface includes a touch sensitive device.
9. A computing device having a processor, the computing device comprising:
a note management application, implemented by the processor, configured to maintain a first group of digital notes and a second group of digital notes;
an image rendering module, implemented by the processor, configured to render a first group image representing the first group of digital notes and a second group image representing the second group of digital notes; and
a user interface configured to display the first group image and the second group image,
wherein the user interface is further configured to receive a first user input indicating a first position proximate to a boundary of the first group image and a second user input indicating a second position within the second group image, and
wherein the note management application is further configured to modify, responsive to receiving the first user input and the second user input, the second group of digital notes by adding the digital notes in the first group to the second group.
10. The computing device of claim 9, wherein the image rendering module is further configured to render a modified second group image representing the modified second group of digital notes.
11. The computing device of claim 9, wherein the user interface comprises a touch sensitive device.
12. A computing device having a processor, the computing device comprising:
a note management application, implemented by the processor, configured to maintain a first digital note and a second digital note;
an image rendering module, implemented by the processor, configured to render a visual representation of the first digital note and a visual representation of the second digital note; and
a user interface configured to display the visual representation of the first digital note and the visual representation of the second digital note,
wherein the user interface is further configured to receive a first user input indicating a first position proximate to the visual representation of the first digital note and a second user input indicating a second position proximate to the visual representation of the second digital note,
wherein the note management application is further configured to create a group including the first digital note and the second digital note responsive to receiving the first user input and the second user input.
13. The computing device of claim 12, wherein the image rendering module is further configured to render a group image representing the group and wherein the use interface is further configured to display the group image.
14. The computing device of claim 12, wherein the user interface comprises a touch sensitive device.
15. A method of managing digital notes with a computing device having a memory, a processor and a user interface, the method comprising:
maintaining, by the computing device, a first group of digital notes and a second group of digital notes;
rendering, by the computing device, a first group image representing the first group of digital notes and a second group image representing the second group of digital notes;
displaying, by the computing device and at the user interface, the first group image and the second group image;
receiving, by the computing device, a first user input indicating a first position within the first group image and a second user input indicating a second position within the second group image;
identifying, by the computing device and based at least in part on the first user input and the second user input, a digital note in the first group of digital notes based on the first position;
modifying the first group by removing the identified digital note from the first group; and
modifying the second group by adding the identified digital note to the second group.
16. The method of claim 15, further comprising:
rendering a modified first group image representing the modified first group.
17. The method of claim 16, wherein a size of the modified first group image is reduced relative to a size of the first group image.
18. The method of claim 15, further comprising:
rendering a modified second group image representing the modified second group.
19. The method of claim 18, wherein the identified digital note is rendered proximate to the second position within the modified second group image.
20. The method of claim 18, wherein a size of the modified second group image is enlarged relative to a size of the second group image.
21. The method of claim 15, wherein the digital notes represented in at least one of the first and the second group images are arranged in a grid format.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1-46. (canceled)
47. Etching solution for etching a layer system comprising phosphoric acid, nitric acid, deionized water and at least one salt that can release halogen ions and cations of which are selected from aluminum, nickel, and vanadium.
48. Etching solution according to claim 47, wherein the at least one salt comprises aluminum chloride.
49. Etching solution according to claim 47, comprising 30-45% by volume phosphoric acid, 5-10% by volume nitric acid, 45-55% by volume deionized water and at least 0.1 moll aluminum chloride.
50. Etching solution according to claim 47, further including a complex-forming ligand that is stable at pH\u22663 and can form complexes with Cu ions under these conditions.
51. Etching solution according to claim 50, wherein the complex-forming ligand is EDTA.
52. Etching solution according to claim 51, containing less than 3% by volume EDTA.
53. Etching solution according to claim 47, further containing an organic acid.
54. Etching solution according to claim 53, wherein the organic acid is citric acid andor tartaric acid.
55. Etching solution according to claim 54, containing less than 5% by volume citric acid.
56. Method for structuring a layer system that includes at least one layer of aluminum, at least one layer of copper and at least one third layer arranged between the at least one aluminum layer and the at least one copper layer, the at least one third layer being selected from nickel vanadium, nickel and alloys thereof, comprising the following:
providing a substrate with the layer system including at least one layer of aluminum, at least one layer of copper and at least one third layer arranged between the at least one aluminum layer and the at least one copper layer, the at least one third layer being selected from nickel vanadium, nickel and alloys thereof;
arranging or producing an etching mask on a surface of the layer system so that the etching mask covers the at least one copper layer at least in part;
etching at least two layers of the layer system with an etching solution containing phosphoric acid, nitric acid, deionized water and at least one halogen component that can release halogen ions, or comprising halogen ions;
rinsing the etched layer system with water andor a base;
drying the etched layer system; and
removing the etching mask.
57. Method according to claim 56, wherein the etching solution contains as the at least one halogen component at least one salt that can release halogen ions and the salt including at least one of aluminum, nickel, vanadium, and copper as a cation.
58. Method according to claim 57, wherein the etching solution comprises phosphoric acid, nitric acid, deionized water and as the at least one halogen component at least one salt that can release halogen ions and the at least one salt including at least one of aluminum, nickel, or vanadium as a cation.
59. (canceled)
60. Method according to claim 56, comprising etching at least the copper layer, the aluminum layer and the at least third layer.
61. A method of etching a layer system that includes at least one layer of aluminum, at least one layer of copper and at least one third layer which is arranged between the at least one aluminum layer and the at least one copper layer, the at least one third layer being selected from nickel vanadium, nickel and alloys thereof, comprising etching the layer system with an etching solution containing phosphoric acid, nitric acid, deionized water and at least one halogen component, and the at least one halogen component comprising at least one salt that can release halogen ions, or comprising halogen ions.
62. The method according to claim 61, wherein the etching solution contains as the at least one halogen component at least one salt that can release halogen ions and the at least one salt including at least one of aluminum, nickel, vanadium, and copper as a cation.
63. The method according to claim 61, wherein the etching solution comprises phosphoric acid, nitric acid, deionized water and as the at least one halogen component at least one salt that can release halogen ions and the at least one salt including at least one of aluminum, nickel, and vanadium as a cation.
64. (canceled)
65. The method according to claim 61 wherein the etching a layer system comprises etching a UBM stack.
66. The method according to claim 61, wherein the etching a layer system comprises etching a layer system during semiconductor production.
67. The method according to claim 61, wherein the etching a layer system comprises etching a layer system of a component produced from semiconductor technology.
68. Etching solution according to claim 50, wherein the complex-forming ligand is stable at pH\u22661.