1460959898-7e4cc792-0b7d-4ea5-867e-23b44d78a3bb

1. A method comprising:
moving an emitter having an emitted beam across a conductor of a detector of a data storage medium;
measuring current through the conductor resulting from the emitted beam as the emitter moves across the detector; and,
determining a size of the emitted beam of the emitter based on a position of the emitter and the current measured.
2. The method of claim 1, further comprising adjusting a voltage of a focusing lens based on the size of the emitted beam to achieve a desired size of the emitted beam.
3. The method of claim 1, wherein moving the emitter comprises moving the emitter from a second conductor of the detector to the conductor of the detector.
4. The method of claim 1, wherein measuring the current through the conductor comprises measuring the current generated by the emitted beam of the emitter.
5. The method of claim 4, wherein the current generated by the emitted beam corresponds to a Gaussian profile.
6. The method of claim 1, wherein determining the size of the emitted beam comprises:
determining a first position of the emitted beam relative to the detector; determining a second position of the emitted beam relative to the detector; and,
subtracting the first and second positions to determine the size of the emitted beam.
7. The method of claim 6, wherein the first position of the emitted beam corresponds to a measured current that is 90% of maximum intensity, and the second position of the emitted beam corresponds to a measured current that is 10% of maximum intensity.
8. The method of claim 1, wherein determining the size of the emitted beam comprises determining two positions of the emitter relative to the detector where the current has been measured at a given value.
9. The method of claim 8, wherein determining the size of the emitted beam comprises determining the two positions of the emitter where the current has been measured at 50% of maximum intensity.
10. A method comprising:
moving an emitter having an emitted beam across a first position of a conductor of a detector of a data storage medium;
measuring current through the conductor resulting from the emitted beam as the emitter moves across the first position of the conductor;
moving the emitter across a second position of the conductor;
measuring current through the conductor resulting from the emitted beam as the emitter moves across the second position of the conductor;
determining dimensions of the emitted beam of the emitter relative to the detector based on the current measured through the first and the second positions of the conductor; and,
calibrating a voltage of a focusing lens based on the dimensions of the emitted beam to achieve a desired size of the emitted beam.
11. The method of claim 10, wherein measuring the current through the first and the second positions of the conductor each comprises measuring the current as corresponding to a beam profile.
12. The method of claim 11, wherein measuring the current as corresponding to the beam profile comprises measuring the current as corresponding to an integration of an electron beam profile of the emitted beam of the emitter.
13. The method of claim 10, wherein determining the dimensions of the emitted beam of the emitter relative to the position of the emitter comprises:
determining a first dimension of the emitted beam as a position of the emitter where the current through the first conductor position has been measured at a first percentage of maximum intensity, minus a position of the emitter where the current through the first conductor position has been measured at a second percentage of maximum intensity; and,
determining a second dimension of the emitted beam as a position of the emitter where the current through the second conductor position has been measured at a first percentage of maximum intensity, minus a position of the emitter where the current has been measured at a second percentage of maximum intensity.
14. A method comprising:
moving a plurality of emitters having emitted beams across a first position of a conductor corresponding to a plurality of detectors positioned on a re-recordable data storage medium;
moving a plurality of emitters having emitted beams across a second position of a conductor corresponding to a plurality of detectors positioned on a re-recordable data storage medium;
measuring current through each conductor of each detector resulting from the emitted beam of a corresponding one of the emitters as the corresponding one of the emitters moves there across;
determining dimensions of the emitted beams of the plurality of emitters relative to positions of the plurality of the emitters based on the currents measured; and,
determining a focusing lens voltage based on the dimensions of the emitted beams to achieve a desired emitted beam dimension for each of the plurality of emitters.
15. The method of claim 14, wherein the conductor is L-shaped and has two legs, the first and second positions corresponding to the two legs.
16. The method of claim 15, wherein measuring the current through each leg of the L-shaped conductor comprises measuring the current as corresponding to an electron beam profile.
17. The method of claim 16, wherein measuring the current as corresponding to the electron beam profile comprises measuring the current as corresponding to an integration of an electron beam profile of the emitted beam of the emitter.
18. A detector for a re-recordable data storage medium to assist determining a dimension of an emitted beam of an emitter used to read from and write to the medium, comprising:
a first conductor to collect electrons from the emitted beam of the emitter; and,
a second conductor to determine the dimension of the emitted beam based on current therethrough, the second conductor positioned relative to the first conductor such that the first conductor and the second conductors form an edge,
wherein the first conductor includes a first portion separate from a second portion thereof, and the second conductor is positioned between the first portion and the second portion of the first conductor.
19. The detector of claim 18, wherein the second conductor is positioned over the first conductor such that the first conductor is partially exposed.
20. The detector of claim 19, further comprising a dielectric similarly sized to the second conductor positioned between the first conductor and the second conductor.
21. The detector of claim 19, wherein the second conductor is smaller in size than the first conductor.
22. The detector of claim 18, wherein the second conductor is L-shaped.
23. The detector of claim 18, wherein the second conductor is L-shaped, and the second portion of the first conductor is L-shaped.
24. The detector of claim 18, wherein the second conductor and the first and the second portions of the first conductor define gaps therebetween.
25. The detector of claim 18, further comprising a dielectric similarly sized to the first conductor positioned under the first conductor.
26. The detector of claim 18, wherein the emitter moves from over the first conductor to over the second conductor.
27. A detector for a data storage medium to assist determining a size of an emitted beam of an emitter used to read from and write to the medium, comprising:
an electron collector to collect electrons from the emitted beam of the emitter; and,
means for determining the size of the emitted beam based on current therethrough,
wherein the means is positioned between a first portion and a second portion of the electron collector.
28. The detector of claim 27, wherein the means is positioned relative to the electron collector such that the electron collector and the means form an edge.
29. The detector of claim 27, wherein the means is positioned over the electron collector such that the electron collector is partially exposed.
30. A detector for a data storage medium for determining a size of an emitted beam of an emitter used to read from and write to the medium, the detector constructed by performing a method comprising:
depositing a dielectric layer over a substrate of the medium;
depositing a first conductive layer over the dielectric layer;
depositing a second dielectric layer over the first conductive layer;
depositing a second conductive layer over the second dielectric layer; and,
patterning the second dielectric layer and the second conductive layer to form an edge between the first and second conductive layers.
31. The detector of claim 30, the method further comprising, after depositing the first conductive layer, patterning the first conductive layer through to the dielectric layer such that the first conductive layer is rectangularly shaped.

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 device, comprising:
a display for displaying digital content to a user within an application, the digital content including one or more hotspots, wherein each hotspot includes a link to a source of additional content; and
a user interface including a hotspot peek mode, wherein in response to a peek command performed on a given hotspot included with displayed digital content, the hotspot peek mode is configured to present a pop-up panel within the application and include additional content from the source associated with the given hotspot within the pop-up panel.
2. The device of claim 1 wherein the peek command is one of a direct contact selection of the given hotspot and a hovering input over the given hotspot.
3. The device of claim 1 wherein the pop-up panel grows out of the given hotspot.
4. The device of claim 1 wherein the source associated with the given hotspot is another portion of the displayed digital content.
5. The device of claim 1 wherein the source associated with the given hotspot is a web page.
6. The device of claim 1 wherein the source associated with the given hotspot is an e-commerce service that allows for the purchase of an item related to the displayed digital content.
7. The device of claim 1 wherein content from the source is stored in a cache local to the device accessible by the hotspot peek mode.
8. The device of claim 1 wherein the application is an eReader application and the hotspot peek mode is integrated within the eReader application.
9. The device of claim 8 wherein in response to making a selection in the pop-up panel, the hotspot peek mode is configured to navigate to the source associated with the given hotspot while remaining in the eReader application.
10. The device of claim 9 wherein in response to navigating to the source associated with the given hotspot, a link is provided to navigate back to the displayed digital content.
11. A mobile computing device, comprising:
a touch screen display for displaying digital content to a user and allowing user input, the digital content including one or more hotspots, wherein each hotspot includes a link to a source of additional content; and
an application including a hotspot peek mode, wherein in response to a peek command performed on a given hotspot included with displayed digital content, the hotspot peek mode is configured to present a pop-up panel within the application and include additional content from the source associated with the given hotspot within the pop-up panel.
12. The device of claim 11 wherein a selection made outside of the pop-up panel closes the pop-up panel.
13. The device of claim 11 wherein in response to making a selection in the pop-up panel, the hotspot peek mode is configured to navigate to the source associated with the given hotspot while remaining in the application.
14. A computer program product comprising a plurality of instructions non-transiently encoded thereon to facilitate operation of an electronic device according to the following process:
present digital content via an application, the digital content including one or more hotspots, wherein each hotspot includes a link to a source of additional content; and
in response to a peek command performed on a given hotspot included with the presented digital content, present a pop-up panel within the application, wherein the pop-up panel includes additional content from the source associated with the given hotspot.
15. The computer program product of claim 14 wherein the peek command is one of a direct contact selection of the particular hotspot and a hovering input over the particular hotspot.
16. The computer program product of claim 14 wherein the process is further configured to, in response to a selection made in the pop-up panel, navigate to the source associated with the given hotspot.
17. The computer program product of claim 14 wherein the process is further configured to, in response to a selection made in the pop-up panel, navigate to the source associated with the given hotspot while remaining in the application.
18. The computer program product of claim 17 wherein a link is provided to navigate back to the presented digital content.
19. The computer program product of claim 14 wherein the source associated with the given hotspot is one of another portion of the presented digital content, a web page, and an e-commerce service that allows for the purchase of an item related to the presented digital content.
20. The computer program product of claim 14 wherein the application is an eReader application and the hotspot peek mode is integrated within the eReader application.