1. A method for probing a wafer comprising:
positioning a testhead relative to a prober supporting a wafer in a testing position;
receiving at least one prober signal identifying the angular position of the prober;
receiving at least one testhead signal identifying the angular position of the testhead;
processing the at least one prober signal and the at least one testhead signal to determine if the testhead is substantially parallel with the prober; and
providing output to allow for adjustment of the position of the testhead in response to determining that the testhead is not substantially parallel with the prober.
2. The method of claim 1, wherein:
receiving the at least one prober signal comprises;
receiving a first prober signal identifying the angular position of the prober about an x-axis; and
receiving a second prober signal identifying the angular position of the prober about a y-axis; and
receiving the at least one testhead signal comprises:
receiving a first testhead signal identifying the angular position of the testhead about the x-axis; and
receiving a second testhead signal identifying the angular position of the testhead about the y-axis.
3. The method of claim 2, wherein processing the first and second signals comprises:
comparing the first prober signal with the first testhead signal to determine if the first testhead signal is proximate to the first prober signal;
comparing the second prober signal with the second testhead signal to determine if the second testhead signal is proximate to the second prober signal; and
determining that an x-y plane associated with the testhead is not substantially parallel with an x-y plane associated with the prober where either comparison is found to be not proximate.
4. The method of claim 2, further comprising:
establishing a benchmark angular position for the prober and a benchmark angular position for the testhead; and
storing the benchmark angular position of the prober and the benchmark angular position of the testhead.
5. The method of claim 4, wherein processing the first and second signals comprises:
comparing the first prober signal to an x-axis value associated with the benchmark angular position of the prober;
comparing the second prober signal to a y-axis value associated with the benchmark angular position of the prober;
comparing a first testhead signal to an x-axis value associated with the benchmark position of the testhead;
comparing a second testhead signal to a y-axis value associated with the benchmark position of the testhead; and
determining that an x-y plane associated with the testhead is not substantially parallel with an x-y plane associated with the prober where any comparison is found to be not proximate.
6. The method of claim 1, wherein determining if the testhead is substantially parallel with the prober comprises determining if a probe card suspended from the testhead is substantially parallel with the wafer supported by the prober.
7. The method of claim 1, further comprising:
converting each of the at least one prober signals from an analog format to a digital format; and
converting each of the at least one testhead signals from an analog format to a digital format.
8. The method of claim 1, further comprising:
communicating a command to a controller of the prober in response to determining that the testhead is not substantially parallel with the prober, the command directing the prober to cease a probing session.
9. The method of claim 1, further comprising:
communicating with a manipulator to allow for automatic adjustment of the testhead to correct planarity errors when it is determined that the testhead is not substantially parallel with the prober.
10. The method of claim 1, further comprising:
displaying a misalignment indicator to a user in response to determining that the testhead is not substantially parallel with the prober.
11. A system for probing a wafer comprising:
a prober operable to support a wafer in a testing position;
a testhead positioned proximate the prober, the testhead comprising a manipulator operable to adjust the position of the testhead relative to the prober;
a sensor analyzer operable to:
receive at least one prober signal identifying the angular position of the prober;
receive at least one testhead signal identifying the angular position of the testhead;
process the at least one prober signal and the at least one testhead signal to determine if the testhead is substantially parallel with the prober; and
provide output to allow for adjustment of the position of the testhead in response to determining that the testhead is not substantially parallel with the prober.
12. The system of claim 11, wherein:
the at least one prober signal comprises;
a first prober signal identifying the angular position of the prober about an x-axis; and
a second prober signal identifying the angular position of the prober about a y-axis; and
the at least one testhead signal comprises:
a first testhead signal identifying the angular position of the testhead about the x-axis; and
a second testhead signal identifying the angular position of the testhead about the y-axis.
13. The system of claim 12, wherein when processing the at least one prober signal and the at least one testhead signal the sensor analyzer is operable to:
compare the first prober signal with the first testhead signal to determine if the first testhead signal is proximate to the first prober signal;
compare the second prober signal with the second testhead signal to determine if the second testhead signal is proximate to the second prober signal; and
determine that an x-y plane associated with the testhead is not substantially parallel with an x-y plane associated with the prober where either comparison identifies a mismatch in value.
14. The system of claim 12, wherein the sensor analyzer is further operable to:
establish a benchmark angular position for the prober and a benchmark angular position for the testhead; and
store the benchmark angular position of the prober and the benchmark angular position of the testhead.
15. The system of claim 14, wherein when processing the at least one prober signal and the at least one testhead signal the sensor analyzer is operable to:
compare the first prober signal to an x-axis value associated with the benchmark angular position of the prober;
compare the second prober signal to a y-axis value associated with the benchmark angular position of the prober;
compare a first testhead signal to an x-value associated with the benchmark angular position of the testhead;
compare a second testhead signal to a y-axis value associated with the benchmark angular position of the testhead; and
determine that an x-y plane associated with the testhead is not substantially parallel with an x-y plane associated with the prober where any comparison identifies a mismatch in value.
16. The system of claim 11, wherein the sensor analyzer is operable to determine if the testhead is substantially parallel with the prober by determining if a probe card suspended from the testhead is substantially parallel to the wafer supported by the prober.
17. The system of claim 11, wherein the sensor analyzer is further operable to:
communicate a command to a controller of the prober in response to determining that the testhead is not substantially parallel with the prober, the command directing the prober to cease a probing session.
18. The system of claim 11, wherein the sensor analyzer is further operable to:
communicate with a manipulator to allow for automatic adjustment of the testhead to correct planarity errors when it is determined that the testhead is not substantially parallel with the prober.
19. The system of claim 11, wherein the sensor analyzer is further operable to:
display an angular misalignment indicator to a user in response to determining that the testhead is not substantially parallel with the prober.
20. A system for probing a wafer comprising:
means for positioning a testhead relative to a prober supporting a wafer in a testing position;
means for receiving at least one prober signal identifying the angular position of the prober;
means for receiving at least one testhead signal identifying the angular position of the testhead;
means for processing the at least one prober signal and the at least one testhead signal to determine if the testhead is substantially parallel with the prober; and
means for providing output to allow for adjustment of the angular position of the testhead in response to determining that the testhead is not substantially parallel with the prober.
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 box formed from folding a single sheet of material having fold lines therein, wherein, when the box is assembled and a top lid of the box is in a closed position, the top lid has top side panels that extend partially within an interior of the box and partially on an exterior of the box, sides of the box defining openings through which the top side panels extend; and wherein, when the box is assembled and the top lid is in the closed position, a first top side panel extends through a first opening in extending between a back and a front of the box, the first top side panel crossing over between an exterior of the box and an interior of the box at the first opening, with the first top side panel extending on the exterior of the box to one side of the first opening and extending on the interior of the box to another side of the first opening in extending between the front and the back of the box; and a second top side panel extends through a second opening in extending between the back and the front of the box, the second top side panel crossing over between the exterior of the box and the interior of the box at the second opening, with the second top side panel extending on the exterior of the box to one side of the second opening and extending on the interior of the box to another side of the second opening in extending between the front and the back of the box.
2. The box of claim 1, wherein the openings defined in the sides of the box are covered by the top side panels when extending therethrough.
3. The box of claim 1, wherein, when the box is assembled and the top lid is in the closed position, the first top side panel extending through the first opening creates tension between the first top side panel and a first side of the box defining the first opening, and the second top side panel extending through the second opening creates tension between the second top side panel and a second side of the box defining the second opening, which tension assists in keeping the box closed.
4. The box of claim 3, wherein, when the box is assembled and the top lid is in the closed position, the first side panel covers the first opening and the second side panel covers the second opening when the box is closed.
5. The box of claim 1, wherein when the box is assembled and the top lid is in an open position, the first opening is bound on three sides with the fourth side being unbounded, and wherein the second opening is bound on three sides with the fourth side being unbounded.
6. The box of claim 1, wherein when the box is assembled and the top lid is in an open position, the first overlapping side panel bounds a first, lateral side of the first opening; the second overlapping side panel bounds a second, lateral side of the first opening;
and the first side panel bounds a third, bottom side of the first opening.
7. The box of claim 6, wherein when the box is assembled and the top lid is in an open position, the third overlapping side panel bounds a first, lateral side of the second opening; the fourth overlapping side panel bounds a second, lateral side of the second opening; and the second side panel bounds a third, bottom side of the second opening.
8. The box of claim 7, wherein when the box is assembled and the top lid is in an open position, the top side of the first opening is unbounded and the top side of the second opening is unbounded.
9. The box of claim 1, wherein each side of the box defining one of the openings is U-shaped in profile.
10. A box blank comprising:
(a) a bottom panel;
(b) a first side panel;
(c) a second side panel;
(d) a front panel;
(e) a back panel;
(f) a first overlapping side panel;
(g) a second overlapping side panel;
(h) a third overlapping side panel;
(i) a fourth overlapping side panel;
(j) a top cover panel;
(k) a first top side panel;
(l) a second top side panel; and
(m) a top front panel;
(n) wherein the panels of the box blank are integrally formed as part of a generally planar single sheet of material and are defined and separated by fold lines;
(o) wherein a fold line extends between and delineates the bottom panel and the first side panel; a fold line extends between and delineates the bottom panel and the second side panel; a fold line extends between and delineates the bottom panel and the front panel; a fold line extends between and delineates the bottom panel and the back panel; a fold line extends between and delineates the back panel and the first overlapping side panel; a fold line extends between and delineates the back panel and the third overlapping side panel; a fold line extends between and delineates the front panel and the second overlapping side panel; a fold line extends between and delineates the front panel and the fourth overlapping side panel; a fold line extends between and delineates the top cover panel and the back panel; a fold line extends between and delineates the top cover panel and the first top side panel; a fold line extends between and delineates the top cover panel and the second top side panel; and a fold line extends between and delineates the top cover panel and the top front panel; and
(p) wherein, when the box blank is folded along the fold lines into an assembled box for use and is in a closed position,
(i) the first overlapping side panel and the second overlapping side panel have dimensions such that the first overlapping side panel and the second overlapping side panel overlap the first side panel but do not overlap each other and instead are spaced apart and extend above the first side panel so as to define a first gap above the first side panel extending between the first overlapping side panel and the second overlapping side panel,
(ii) the third overlapping side panel and the fourth overlapping side panel have dimensions such that the third overlapping side panel and the fourth overlapping side panel overlap the second side panel but do not overlap each other and instead are spaced apart and extend above the second side panel so as to define a second gap above the second side panel extending between the third overlapping side panel and the fourth overlapping side panel,
(iii) the first top side panel extends through the first gap in extending between the back panel and the front panel, the first top side panel crossing over between an exterior of the box and an interior of the box at the first gap, with the first top side panel extending on the exterior of the box to one side of the first gap and extending on the interior of the box to another side of the first gap, and
(iv) the second top side panel extends through the second gap in extending between the back panel and the front panel, the second top side panel crossing over between the exterior of the box and the interior of the box at the second gap with the second top side panel extending on the exterior of the box to one side of the second gap and extending on the interior of the box to the another side of the second gap.
11. The box blank of claim 10, wherein an additional fold line generally bisects the first side panel; an additional fold line generally bisects the second side panel; an additional folding line generally bisects the bottom panel; and score lines are formed in the bottom panel, whereby a box assembled from the blank is collapsible while in the assembled state by folding about the additional fold lines and score lines.
12. The box blank of claim 10, wherein when the box blank is in an unfolded generally planar form,
(i) an edge of the first overlapping side panel, an edge of the second overlapping side panel, and an edge of the first side panel are aligned with each other, with the aligned edge of the first overlapping side panel and the aligned edge of the second overlapping side panel each having an extent that is greater than an extent of the aligned edge of the first side panel; and
(ii) a second edge of the first overlapping side panel and a second edge of the second overlapping side panel each is orthogonal to the aligned edge of the first side panel, with a combined extent of the second edge of the first overlapping side panel and the second edge of the second overlapping side panel being less than the extent of the aligned edge of the first side panel;
whereby the first gap is defined by the first side panel and the first and second overlapping side panels when the box blank is folded along the fold lines into the assembled box for use.
13. The box blank of claim 12, wherein when the box blank is in an unfolded generally planar form
(i) an edge of the third overlapping side panel, an edge of the fourth overlapping side panel, and an edge of the second side panel are aligned with each other, with the aligned edge of the third overlapping side panel and the aligned edge of the fourth overlapping side panel each having an extent that is greater than an extent of the aligned edge of the second side panel; and
(ii) a second edge of the third overlapping side panel and a second edge of the fourth overlapping side panel each is orthogonal to the aligned edge of the second side panel, with a combined extent of the second edge of the third overlapping side panel and the second edge of the fourth overlapping side panel being less than the extent of the aligned edge of the second side panel,
whereby the second gap is defined by the second side panel and the third and fourth overlapping side panels when the box blank is folded along the fold lines into the assembled box for use.
14. A box comprising a folded box blank, the box blank comprising:
(a) a bottom panel;
(b) a first side panel;
(c) a second side panel;
(d) a front panel;
(e) a back panel;
(f) a first overlapping side panel;
(g) a second overlapping side panel;
(h) a third overlapping side panel;
(i) a fourth overlapping side panel;
(i) a top cover panel;
(k) a first top side panel;
(l) a second top side panel; and
(m) a top front panel;
(n) wherein the panels of the box blank are integrally formed as part of a generally planar single sheet of material and are defined and separated by fold lines;
(o) wherein a fold line extends between and delineates the bottom panel and the first side panel; a fold line extends between and delineates the bottom panel and the second side panel; a fold line extends between and delineates the bottom panel and the front panel; a fold line extends between and delineates the bottom panel and the back panel; a fold line extends between and delineates the back panel and the first overlapping side panel; a fold line extends between and delineates the back panel and the third overlapping side panel; a fold line extends between and delineates the front panel and the second overlapping side panel; a fold line extends between and delineates the front panel and the fourth overlapping side panel; a fold line extends between and delineates the top cover panel and the back panel; a fold line extends between and delineates the top cover panel and the first top side panel; a fold line extends between and delineates the top cover panel and the second top side panel; and a fold line extends between and delineates the top cover panel and the top front panel; and
(p) wherein, when the folded box is in a closed position,
(i) the first overlapping side panel and the second overlapping side panel overlap the first side panel but do not overlap each other and instead are spaced apart and extend above the first side panel so as to define a first gap above the first side panel extending between the first overlapping side panel and the second overlapping side panel,
(ii) the third overlapping side panel and the fourth overlapping side panel overlap the second side panel but do not overlap each other and instead are spaced apart and extend above the second side panel so as to define a second gap above the second side panel extending between the third overlapping side panel and the fourth overlapping side panel, and
(iii) the first top side panel extends through the first gap in extending between the back panel and the front panel, the first top side panel crossing over between an exterior of the box and an interior of the box at the first gap, with the first top side panel extending on the exterior of the box to one side of the first gap and extending on the interior of the box to another side of the first gap, and
(iv) the second top side panel extends through the second gap in extending between the back panel and the front panel, the second top side panel crossing over between the exterior of the box and the interior of the box at the second gap with the second top side panel extending on the exterior of the box to one side of the second gap and extending on the interior of the box to the another side of the second gap.
15. The box of claim 14, wherein the first top side panel extending through the first gap creates tension between the first top side panel and the first and second overlapping side panels, and the second top side panel extending through the second gap creates tension between the second top side panel and the third and fourth overlapping side panels, which tension assists in keeping the box closed.
16. The box of claim 14, wherein the first side panel covers the first gap and the second side panel covers the second gap when the folded box is in the closed position.
17. The box of claim 14, wherein when the box is open, the first gap is bound on three sides with the fourth side being unbounded, and wherein the second gap is bound on three sides with the fourth side being unbounded.
18. The box of claim 14, wherein the first overlapping side panel bounds a first, lateral side of the first gap; the second overlapping side panel bounds a second, lateral side of the first gap; and the first side panel bounds a third, bottom side of the first gap.
19. The box of claim 18, wherein the third overlapping side panel bounds a first, lateral side of the second gap; the fourth overlapping side panel bounds a second, lateral side of the second gap; and the second side panel bounds a third, bottom side of the second gap.
20. The box of claim 19, wherein when the box is open, the top side of the first gap is unbounded and the top side of the second gap is unbounded.