JPH04740U - - Google Patents
Info
- Publication number
- JPH04740U JPH04740U JP3979190U JP3979190U JPH04740U JP H04740 U JPH04740 U JP H04740U JP 3979190 U JP3979190 U JP 3979190U JP 3979190 U JP3979190 U JP 3979190U JP H04740 U JPH04740 U JP H04740U
- Authority
- JP
- Japan
- Prior art keywords
- pellet
- lead frame
- pellets
- suction
- semiconductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000008188 pellet Substances 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 239000011295 pitch Substances 0.000 claims 1
Landscapes
- Die Bonding (AREA)
Description
第１図は本考案の一具体例を示す半導体ペレツ
トおよびリードフレームが接触している状態での
真空吸着コレツトの拡大縦断面図である。第２図
は従来の半導体ペレツトマウント装置の平面図、
第３図は従来装置要部の拡大縦断面図である。
１……半導体ペレツト、７……真空吸着コレツ
ト、８……リードフレーム、１２……定電流電源
および電圧検出装置。
FIG. 1 is an enlarged longitudinal cross-sectional view of a vacuum suction collet in a state where a semiconductor pellet and a lead frame are in contact with each other, showing a specific example of the present invention. Figure 2 is a plan view of a conventional semiconductor pellet mount device.
FIG. 3 is an enlarged longitudinal cross-sectional view of the main parts of a conventional device. DESCRIPTION OF SYMBOLS 1... Semiconductor pellet, 7... Vacuum suction collet, 8... Lead frame, 12... Constant current power supply and voltage detection device.
Claims (1)
この搬送部の上方に上下動自在にかつ、首振り運
動可能に配設されたペレツト吸着手段と、多数個
のペレツトが貼着されたウエーハリングを保持す
るホルダ部を備えた半導体ペレツトのマウント装
置において、 前記ペレツト吸着手段を構成する真空吸着コレ
ツトとリードフレームとの間に定電流電源および
電圧検出装置を配設したことを特徴とする半導体
ペレツトの吸着ミス検出装置。[Scope of Claim for Utility Model Registration] A conveyor unit that feeds the lead frame in fixed pitches;
A semiconductor pellet mounting device comprising a pellet suction means disposed above the conveying section so as to be vertically movable and swingable, and a holder section for holding a wafer ring to which a large number of pellets are attached. An apparatus for detecting failure in suction of semiconductor pellets, characterized in that a constant current power source and a voltage detection device are disposed between a vacuum suction collet constituting the pellet suction means and a lead frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3979190U JPH04740U (en) | 1990-04-13 | 1990-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3979190U JPH04740U (en) | 1990-04-13 | 1990-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04740U true JPH04740U (en) | 1992-01-07 |
Family
ID=31549009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3979190U Pending JPH04740U (en) | 1990-04-13 | 1990-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04740U (en) |
-
1990
- 1990-04-13 JP JP3979190U patent/JPH04740U/ja active Pending
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