CN212300206U - Auxiliary inspection device for glass bead diode - Google Patents
Auxiliary inspection device for glass bead diode Download PDFInfo
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- CN212300206U CN212300206U CN202021237459.0U CN202021237459U CN212300206U CN 212300206 U CN212300206 U CN 212300206U CN 202021237459 U CN202021237459 U CN 202021237459U CN 212300206 U CN212300206 U CN 212300206U
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Abstract
The utility model provides a supplementary verifying attachment of glass pearl diode, relate to the semiconductor package field of making, which comprises a table top, set up glass pearl diameter verifying attachment and the eccentric verifying attachment of glass pearl on the mesa, glass pearl diameter verifying attachment includes the too big inspection through-hole of diameter and diameter undersize inspection through-hole, the diameter of the too big inspection through-hole of diameter equals the maximum value of the standard diameter of the glass pearl of glass pearl diode, the diameter of diameter undersize inspection through-hole equals the minimum value of the standard diameter of the glass pearl of glass pearl diode, glass pearl eccentric verifying attachment includes the eccentric inspection recess of columniform glass pearl, the diameter of the eccentric inspection recess of glass pearl equals the maximum value of the standard diameter of the glass pearl of glass pearl diode, the eccentric inspection recess bottom central point of glass pearl puts and sets up the lead wire through-hole, the diameter of lead wire through-hole equals the maximum value of. The utility model discloses can solve the relatively poor and lower problem of detection efficiency of the accuracy of the eccentric condition of the glass bead diameter of detecting the glass bead diode and glass bead.
Description
Technical Field
The utility model belongs to the technical field of semiconductor package manufacturing and specifically relates to a supplementary verifying attachment of glass pearl diode.
Background
In the packaging production process of semiconductor devices, products need to be subjected to appearance detection in the process quality control. The glass bead diode comprises a glass bead arranged in the middle of the glass bead diode and lead wires arranged at two ends of the glass bead. In the production process of the glass bead diode, due to the production process, the diameter of the glass bead of some glass bead diodes does not meet the standard, and meanwhile, lead wires at two ends of the glass bead of some glass bead diodes are not on the same straight line, so that the glass bead is eccentric.
At present, the diameter of a glass bead diode and the eccentricity of the glass bead are detected by naked eyes generally, and when the naked eyes cannot identify the glass bead accurately, a detector measures the glass bead diameter and the eccentricity of the glass bead through a caliper. The accuracy of naked eye detection is poor, so that a high false detection rate exists; because the naked eye needs to measure through slide caliper rule again when unable accurate discernment, so detection efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a supplementary verifying attachment of glass pearl diode is provided, solve the relatively poor and lower problem of detection efficiency of the accuracy of the glass pearl diameter of detecting the glass pearl diode and the eccentric condition of glass pearl.
The utility model provides a technical scheme that its technical problem adopted is: an auxiliary inspection device for a bead diode comprises a table board, wherein four support legs are arranged below the table board, a bead diameter inspection device for detecting the diameter of a bead and a bead eccentric inspection device for detecting whether the bead is eccentric or not are arranged on the table board, the bead diameter inspection device comprises an oversize diameter inspection through hole and an undersize diameter inspection through hole which are arranged on the table board, the diameter of the oversize diameter inspection through hole is equal to the maximum value of the standard diameter of the bead diode to be inspected, the diameter of the undersize diameter inspection through hole is equal to the minimum value of the standard diameter of the bead diode to be inspected, the bead eccentric inspection device comprises a cylindrical bead eccentric inspection groove arranged on the table board, the diameter of the bead eccentric inspection groove is equal to the maximum value of the standard diameter of the bead diode to be inspected, and a lead through hole is arranged at the center of the bottom of the glass bead eccentricity inspection groove, and the diameter of the lead through hole is equal to the maximum value of the standard diameter of a lead of the glass bead diode to be inspected.
Further, the oversize diameter inspection through holes and the undersize diameter inspection through holes are arranged in a matched mode in pairs, and the number of the oversize diameter inspection through holes is at least one.
Further, the number of the oversize inspection through holes is three.
Furthermore, the glass bead diameter inspection device also comprises a glass bead diameter inspection identifier for marking the detected glass bead diode, and the glass bead diameter inspection identifier is arranged at the corresponding position of the table top in the same row with the oversize diameter inspection through hole and the undersize diameter inspection through hole.
Furthermore, the glass bead eccentricity inspection device also comprises a glass bead eccentricity inspection mark for marking the detected glass bead diode, and the glass bead eccentricity inspection mark is arranged at the corresponding position of the table top in the same row with the glass bead eccentricity inspection groove.
The utility model discloses following beneficial effect has:
the utility model discloses a whether supplementary verifying attachment of glass pearl diode can the short-term test glass pearl diameter of glass pearl diode accord with the standard and whether the eccentric condition of glass pearl, intersect in artifical naked eye detection, the accuracy and the efficiency of detection all improve greatly.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a schematic diagram of a normal glass bead diode structure;
FIG. 4 is a schematic diagram of an eccentric bead diode structure.
Detailed Description
As shown in fig. 1, 2, 3 and 4, an auxiliary inspection device for a bead diode comprises a table board 1, four support legs 11 are arranged below the table board 1, a bead diameter inspection device 2 for detecting the diameter of a bead 41 and a bead eccentricity inspection device 3 for detecting whether the bead 41 is eccentric are arranged on the table board 1, the bead diameter inspection device 2 comprises an oversize inspection through hole 21 and an undersize inspection through hole 22 which are arranged on the table board 1, the diameter of the oversize inspection through hole 21 is equal to the maximum value of the standard diameter of the bead 41 of the bead diode 4 inspected by the oversize inspection through hole 21, the diameter of the undersize inspection through hole 22 is equal to the minimum value of the standard diameter of the bead 41 of the bead diode 4 inspected by the undersize inspection through hole 22, the bead eccentricity inspection device 3 comprises a cylindrical bead eccentricity inspection groove 31 arranged on the table board 1, and the diameter of the bead eccentricity inspection groove 31 is equal to the maximum value of the standard diameter of the bead 41 of the bead diode 4 inspected by the bead eccentricity inspection groove 31 The values are equal, a lead through hole 32 is arranged at the center of the bottom of the bead eccentricity testing groove 31, and the diameter of the lead through hole 32 is equal to the maximum value of the standard diameter of a lead 42 of the bead diode 4 tested by the lead through hole.
The utility model discloses a whether supplementary verifying attachment of glass pearl diode can the short-term test glass pearl diameter of glass pearl diode accord with the standard and whether the eccentric condition of glass pearl, intersect in artifical naked eye detection, the accuracy and the efficiency of detection all improve greatly.
The oversize diameter checking through holes 21 and the undersize diameter checking through holes 22 are arranged in a matched mode in pairs, and the number of the oversize diameter checking through holes 21 is at least one.
The number of the oversize inspection through holes 21 is three.
The glass bead diameter inspection device 2 further comprises a glass bead diameter inspection identifier 23 used for marking the detected glass bead diode 4, and the glass bead diameter inspection identifier 23 is arranged at the corresponding position of the table top 1, which is in the same row with the oversize diameter inspection through hole 21 and the undersize diameter inspection through hole 22.
The glass bead eccentricity testing device 3 further comprises a glass bead eccentricity testing mark 33 used for marking the detected glass bead diode 4, and the glass bead eccentricity testing mark 33 is arranged at the corresponding position of the table board 1 in the same row with the glass bead eccentricity testing groove 31.
When the glass bead diode is inspected, the method comprises the following steps:
1. and placing the glass bead diode to be detected into the oversize inspection through hole 21 and the undersize inspection through hole 22 corresponding to the glass bead diameter inspection mark 23 from top to bottom in sequence. If the bead diode can be placed into both the oversize diameter inspection through hole 21 and the undersize diameter inspection through hole 22, the bead diameter of the bead diode is too small; if the bead diode can not be placed into the inspection through hole 21 with the overlarge diameter and can not be placed into the inspection through hole 22 with the undersize diameter, the bead diameter of the bead diode is overlarge; if the bead diode can be placed into the inspection through hole 21 with the too large diameter and can not be placed into the inspection through hole 22 with the too small diameter, the bead diameter of the bead diode meets the standard.
2. Placing the glass bead diode with the glass bead diameter meeting the standard into the corresponding glass bead eccentric inspection groove 31 from top to bottom, so that the lead 42 of the glass bead diode can pass through the lead through hole 32, and at the moment, if the glass bead 41 can enter the glass bead eccentric inspection groove 31, the glass bead eccentric condition of the glass bead diode is in an allowable range; if the bead 41 cannot enter the bead eccentricity checking groove 31, the bead eccentricity of the bead diode is out of the allowable range.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes without departing from the technical scope of the present invention, but all those persons do not depart from the technical spirit of the present invention, and any simple modifications, equivalent replacements, and improvements made to the above embodiments are within the spirit and principle of the present invention, and still belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a supplementary verifying attachment of glass pearl diode, its characterized in that, includes mesa (1), mesa (1) below sets up four stabilizer blades (11), sets up glass pearl diameter verifying attachment (2) and the eccentric verifying attachment (3) of glass pearl (41) that are used for detecting glass pearl (41) eccentric on mesa (1) for detecting glass pearl diameter verifying attachment (41), glass pearl diameter verifying attachment (2) are including setting up too big inspection through-hole of diameter (21) and diameter undersize inspection through-hole (22) on mesa (1), the diameter of the too big inspection through-hole of diameter (21) equals the maximum value of the standard diameter of glass pearl (41) of its glass pearl diode (4) of inspection, the diameter of diameter undersize inspection through-hole (22) equals the minimum value of the standard diameter of glass pearl (41) of its glass pearl diode (4) of inspection, the eccentric verifying attachment (3) of glass pearl includes the eccentric inspection recess (31) of cylindrical glass pearl that sets up on mesa (1) The diameter of the glass bead eccentric inspection groove (31) is equal to the maximum value of the standard diameter of a glass bead (41) of the glass bead diode (4) to be inspected, a lead through hole (32) is arranged at the center of the bottom of the glass bead eccentric inspection groove (31), and the diameter of the lead through hole (32) is equal to the maximum value of the standard diameter of a lead (42) of the glass bead diode (4) to be inspected.
2. The bead diode auxiliary inspection device according to claim 1, wherein the oversize inspection through holes (21) and the undersize inspection through holes (22) are arranged in a pair matching, and the number of the oversize inspection through holes (21) is at least one.
3. The bead diode auxiliary inspection device as claimed in claim 2, wherein the number of said inspection through holes (21) having an excessive diameter is three.
4. The bead diode auxiliary inspection device according to claim 1, wherein the bead diameter inspection device (2) further comprises a bead diameter inspection mark (23) for marking the detected bead diode (4), and the bead diameter inspection mark (23) is arranged at a corresponding position of the table top (1) in the same row with the oversize diameter inspection through hole (21) and the undersize diameter inspection through hole (22).
5. The bead diode auxiliary inspection device according to claim 1, wherein the bead eccentricity inspection device (3) further comprises a bead eccentricity inspection mark (33) for marking the detected bead diode (4), and the bead eccentricity inspection mark (33) is arranged at a corresponding position of the table top (1) in the same row with the bead eccentricity inspection groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021237459.0U CN212300206U (en) | 2020-06-30 | 2020-06-30 | Auxiliary inspection device for glass bead diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021237459.0U CN212300206U (en) | 2020-06-30 | 2020-06-30 | Auxiliary inspection device for glass bead diode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212300206U true CN212300206U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021237459.0U Active CN212300206U (en) | 2020-06-30 | 2020-06-30 | Auxiliary inspection device for glass bead diode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212300206U (en) |
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2020
- 2020-06-30 CN CN202021237459.0U patent/CN212300206U/en active Active
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