CN111211070A - Surface-mounted integrated circuit rib cutting machine - Google Patents
Surface-mounted integrated circuit rib cutting machine Download PDFInfo
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- CN111211070A CN111211070A CN201911401723.1A CN201911401723A CN111211070A CN 111211070 A CN111211070 A CN 111211070A CN 201911401723 A CN201911401723 A CN 201911401723A CN 111211070 A CN111211070 A CN 111211070A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
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- H01L21/67092—Apparatus for mechanical treatment
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Abstract
The invention discloses a surface-mounted integrated circuit rib cutting machine which comprises a mechanical part, a detection part and an electric control part. The mechanical part consists of a cylinder, an electromagnetic valve, a framework substrate, a movable cutter seat, a movable cutter, a static cutter seat, a static cutter, a product positioning groove, a support and a static cutter pressing block; the detection part consists of an optical fiber amplifier, an optical fiber probe and an optical fiber focusing mirror; the electric control part consists of a PLC programming controller and a control button. The optical fiber probe is positioned at the position of the static cutter seat, the signal output of the optical fiber amplifier is connected with the input end of the PLC, the output end of the PLC is connected with the electromagnetic valve, and the air path of the electromagnetic valve is connected with the cylinder of the mechanical part. The invention can solve the problem of rib cutting of the ceramic surface-mounted integrated circuit in enterprises, has the characteristics of high automation degree, good rib cutting quality, high rib cutting efficiency, simple and reliable structure and low equipment manufacturing cost, is easy to popularize and use, and is suitable for the production enterprises of the surface-mounted integrated circuits.
Description
Technical Field
The invention relates to a cutting and forming method in a pressurizing mode in the manufacturing of a semiconductor device, in particular to a trimming device of an integrated circuit.
Background
Ceramic surface mount packages (also known as ceramic flat packages, such as H08X2-03, H14X2-03, and H16X 2-03) are a form of package for highly reliable integrated circuits, and the demand for such packages has increased with the recent demand for smaller devices and higher reliability. However, the packaging product is a granular ceramic cavity bulk piece, and at present, no equipment is available for high-quality and high-efficiency rib cutting. The production of the surface-mounted integrated circuit adopts simpler equipment to manually cut ribs, for example, a TG-25 type manual rib cutting machine used by Guizhou Zhenhua wind-solar semiconductor Limited company, the working principle of the surface-mounted integrated circuit is similar to the shearing principle of scissors, two sides of the surface-mounted circuit need to be cut in two steps, the surface-mounted circuit needs to be fixed at the position of a cutter of the rib cutting machine by hands during operation, a pneumatic circuit switch is stepped on by feet, thus, the rib cutting of one side of the surface-mounted circuit product is completed, then the surface-mounted circuit product is turned over, the rib cutting of the other side of the product is carried out by the same method, the whole rib cutting process is complicated, the labor intensity is high, the rib cutting quality is poor, and the rib cutting efficiency is.
In the Chinese patent database, application pieces related to the rib cutting of the integrated circuit include 2010201198411 full-automatic high-speed integrated circuit rib cutting system, 2010101146534 integrated circuit rib cutting device control system, 201220233937X high-density thick film integrated circuit pin rib cutting equipment, 2019105782277 integrated circuit rib cutting forming equipment and the like. However, these devices are not only complex in structure, but also fail to meet the need for solving the edge bead removal problem of the ceramic surface mount integrated circuit.
Disclosure of Invention
The invention aims to provide a surface-mounted integrated circuit rib cutting machine, which is used for cutting ribs of a ceramic surface-mounted integrated circuit. The machine type has the characteristics of high automation degree, high quality, high efficiency, low cost, simplicity and reliability.
The surface-mounted integrated circuit rib cutting machine provided by the inventor consists of a mechanical part, a detection part and an electric control part; the mechanical part comprises a static cutter seat, a product positioning groove, a static cutter pressing block, a movable cutter seat, a movable cutter, a framework substrate, a support column, a cylinder and an electromagnetic valve; the detection part comprises an optical fiber probe, an optical fiber focusing mirror and an optical fiber amplifier; the electric control part comprises a PLC programming controller and an operation button thereof;
the static cutter, the static cutter pressing block and the product positioning groove are arranged on the static cutter seat, the movable cutter is arranged on the movable cutter seat, the movable cutter seat is fixed on the air cylinder, and the static cutter seat and the air cylinder are both arranged on the horizontally arranged substrate;
the movable cutter is horizontally arranged and moves in the water direction, and the horizontal movement of the movable cutter forces the product after rib cutting and the edge rib waste to move in different directions;
the lower part of the product positioning groove is provided with a stop block, only the edge rib waste can avoid the stop block, and the cavity part of the surface-mounted circuit is blocked by the stop block and can not slide down, so that the structure not only can accurately limit the product to slide down to the position of the cutter, but also can be matched with the horizontal movement of the movable cutter to realize the separation of the edge rib waste and the circuit product;
the product positioning groove is provided with a flaring so as to be convenient for rapidly placing products during rib cutting; an optical fiber probe and an optical fiber focusing mirror are arranged on the static cutter seat and used for detecting whether a product exists or not;
the optical fiber focusing mirror is sleeved on the optical fiber probe through threads and is used for focusing light so as to detect fine objects;
the optical fiber probe is connected with the optical fiber amplifier through an optical fiber and is used for transmitting an optical signal to the optical fiber amplifier for processing; the signal output end of the optical fiber amplifier is connected to the input end of the PLC by a cable and is used for processing the information of the existence or nonexistence of the surface-mounted circuit of the mechanical part and outputting the processed information to the PLC;
the output end of the PLC is connected with the electromagnetic valve of the mechanical part, and the PLC is used for controlling the on-off of the electromagnetic valve according to the information sent by the optical fiber amplifier when the surface-mounted circuit of the mechanical part exists;
the electromagnetic valve is used for controlling the on-off of compressed gas, the on-off of the compressed gas pushes the cylinder to reciprocate, and the cylinder reciprocates to drive the cutter to cut off the edge ribs and separate waste materials of the surface-mounted circuit; on the contrary, when the surface-mounted circuit product does not exist, the mechanical part does not act.
The concrete tendon cutting process is as follows: when the surface-mounted circuit is placed in the product positioning groove, the surface-mounted circuit vertically slides from top to bottom under the action of gravity and reaches the stop block of the product positioning groove, and the circuit cavity is stopped by the stop block of the product positioning groove and then is static. At the moment, light emitted by the optical fiber amplifier sequentially passes through the optical fiber, the optical fiber probe and the optical fiber focusing mirror to irradiate the lower edge of a product, then the light is reflected by the product and sequentially passes through the optical fiber focusing mirror, the optical fiber probe and the optical fiber original path to return to the optical fiber amplifier, the optical fiber amplifier receives a reflected optical signal and then sends a micro-electrical signal to the PLC, the PLC outputs 24V voltage to drive the electromagnetic valve to open, compressed gas pushes the air cylinder, the movable cutter seat and the connected movable cutter to horizontally move to be combined with the static cutter to perform one-time die cutting and forming on the surface-mounted circuit, then the surface-mounted circuit finished product horizontally moves for a certain distance and slides down to the product receiving box along the chute of the static cutter seat, and edge rib waste materials do not have a cavity of the circuit and vertically slide down under the action of gravity through a slit of a, and separating the circuit product from the edge rib waste to finish primary rib cutting.
The surface-mounted integrated circuit rib cutting machine provided by the invention can solve the rib cutting problem of ceramic surface-mounted integrated circuits in enterprises, has the characteristics of high automation degree, good rib cutting quality, high rib cutting efficiency, simple and reliable structure and low equipment manufacturing cost, is easy to popularize and use, and is suitable for the production enterprises of the surface-mounted integrated circuits.
Drawings
FIG. 1 is a general design diagram of a surface mount integrated circuit bar cutter of the present invention;
FIG. 2 is an overall view of the surface mount integrated circuit tendon cutting machine of the present invention;
FIG. 3 is an exploded view of a static cutter holder and its connecting members;
FIG. 4 is an exploded view of the movable cutter holder and its attachment;
FIG. 5 is an exploded view of the structural substrate and the support posts;
FIG. 6 is a mechanical partially exploded view;
FIG. 7 is an overall view of a mechanical part;
FIG. 8 is a cross-sectional view of a H14X2-03 ceramic surface mount integrated circuit package before rib cutting.
In the figure: the device comprises a static cutter seat 1, a product positioning groove 2, a static cutter 3, a static cutter pressing block 4, a movable cutter seat 5, a movable cutter 6, a framework substrate 7, a supporting column 8, a cylinder 9, an optical fiber amplifier 10, an optical fiber probe 11, an optical fiber focusing mirror 12, a PLC (programmable logic controller) 13 and an electromagnetic valve 14.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the drawings and examples in the specification, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
Examples
The invention discloses components of a surface-mounted integrated circuit bar cutter and the mutual relation thereof as shown in figures 1 and 2, and the specific implementation process is as follows:
and machining mechanical part parts of the bar cutter according to the steps shown in figures 3, 4 and 5. Purchasing an optical fiber amplifier, an optical fiber probe, an optical fiber focusing mirror, a PLC (programmable logic controller) and an electromagnetic valve. As shown in fig. 3, the static cutter 3 on the left and right sides is installed in the static cutter groove of the static cutter holder 1, and then the static cutter pressing blocks 4 on the left and right sides are covered on the static cutter and fixed by screws. And aligning the two mounting holes of the product positioning groove with the screw holes of the static cutter holder and fixing the two mounting holes by screws. The optical fiber probe 11 is screwed into a screw hole of the optical fiber focusing mirror 12, and then the optical fiber probe is fixed on the static cutter seat. As shown in fig. 4, the movable cutter holder 5 is fixed to the cylinder 9 by screws, and the movable cutter 6 is inserted into a square hole of the movable cutter holder and fixed by screws. As shown in fig. 5, the support column 8 is fixed to the frame base 7 by screws. As shown in fig. 6, the static cutter holder portion obtained as described above is mounted on the left side of the frame base plate by screws, and the dynamic cutter holder portion obtained as described above is mounted on the right side of the frame base plate by screws. The mechanical part of the bar cutter shown in fig. 7 is obtained. As shown in fig. 2, the optical fiber probe 11 is connected to the output and input interfaces of the optical fiber amplifier 10, the electrical signal output end of the optical fiber amplifier is connected to the signal input end of the PLC programming controller 13, the output end of the PLC programming controller is connected to the electromagnetic valve 14, the two output air pipes of the electromagnetic valve are connected to the air cylinder, the power supply of the PLC programming controller is connected, the control program is input to the PLC programming controller, and the program is stored. And the whole rib cutting machine is manufactured and assembled.
As shown in fig. 8, the H14X2-03 type ceramic surface mount integrated circuit package is used for bar cutting by the bar cutting machine provided by the invention, when the bar is cut, the product is only required to be vertically placed at the flaring position of the product positioning groove of the bar cutting machine, the product immediately slides to the bar cutting position, the bar cutting is automatically completed, and the bar cutting quality and the bar cutting efficiency are as follows.
(1) Quality of cut rib
The main data of the tendon cutting quality are as follows:
a. according to the specification of product standards, the width of the product outline is 11.20mm-11.40mm, and the external width of the bar cutting machine provided by the invention is controlled to be 11.26mm-11.32mm after bar cutting, which is superior to the specification of the product standards;
b. after the rib is cut, no lead damage such as lead deformation, burr, oblique cutting and the like exists;
c. the qualified rate of the cut ribs reaches more than 99.9 percent.
(2) Efficiency of cutting ribs
Because the rib cutting machine provided by the invention adopts an integral punching mode to cut ribs, and an automatic control system is added, the rib cutting efficiency is 5 times of that of the currently and commonly used equipment, and the rib cutting efficiency reaches more than 2000 ribs per hour.
Claims (1)
1. A surface-mounted integrated circuit rib cutting machine is characterized by comprising a mechanical part, a detection part and an electric control part; the mechanical part comprises a static cutter seat, a product positioning groove, a static cutter pressing block, a movable cutter seat, a movable cutter, a framework substrate, a support column, a cylinder and an electromagnetic valve; the detection part comprises an optical fiber probe, an optical fiber focusing mirror and an optical fiber amplifier; the electric control part comprises a PLC programming controller and an operation button thereof;
the static cutter, the static cutter pressing block and the product positioning groove are arranged on the static cutter seat, the movable cutter is arranged on the movable cutter seat, the movable cutter seat is fixed on the air cylinder, and the static cutter seat and the air cylinder are both arranged on the horizontally arranged substrate;
the movable cutter is horizontally arranged and moves in the water direction;
the lower part of the product positioning groove is provided with a stop block, only the edge rib waste can avoid the stop block, and the cavity part of the surface-mounted circuit is blocked by the stop block and can not slide downwards;
flaring is designed on the product positioning groove; the static cutter holder is provided with an optical fiber probe and an optical fiber focusing mirror;
the optical fiber focusing mirror is sleeved on the optical fiber probe through threads;
the optical fiber probe is connected with the optical fiber amplifier through an optical fiber;
the signal output end of the optical fiber amplifier is connected to the input end of a PLC (programmable logic controller) by a cable, and the output end of the PLC is connected with an electromagnetic valve of a mechanical part;
the electromagnetic valve is used for controlling the on-off of compressed gas, the on-off of the compressed gas pushes the cylinder to reciprocate, the cylinder reciprocates to drive the cutter to cut off the edge ribs and separate waste materials of the surface-mounted circuit, and otherwise, when the surface-mounted circuit does not exist, the mechanical part does not act.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401723.1A CN111211070B (en) | 2019-12-31 | 2019-12-31 | Surface-mounted integrated circuit rib cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401723.1A CN111211070B (en) | 2019-12-31 | 2019-12-31 | Surface-mounted integrated circuit rib cutting machine |
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| CN111211070A true CN111211070A (en) | 2020-05-29 |
| CN111211070B CN111211070B (en) | 2023-06-06 |
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| CN201911401723.1A Active CN111211070B (en) | 2019-12-31 | 2019-12-31 | Surface-mounted integrated circuit rib cutting machine |
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Citations (12)
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| CN203817230U (en) * | 2014-03-19 | 2014-09-10 | 惠州Tcl移动通信有限公司 | Processing device for bending and cutting LED (light emitting diode) pins |
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| CN205926936U (en) * | 2016-08-01 | 2017-02-08 | 深圳市兴宇合电子有限公司 | PIN machine is cut in miniature accurate pneumatics |
| CN206153460U (en) * | 2016-11-15 | 2017-05-10 | 深圳市万相源科技有限公司 | Foot mechanism is cut to electronic component bulk cargo |
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| CN203804101U (en) * | 2014-02-26 | 2014-09-03 | 东莞侨亨精密设备有限公司 | Electronic component pin paper tape cutting mechanism with V-shaped notches |
| CN203817230U (en) * | 2014-03-19 | 2014-09-10 | 惠州Tcl移动通信有限公司 | Processing device for bending and cutting LED (light emitting diode) pins |
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| CN205926936U (en) * | 2016-08-01 | 2017-02-08 | 深圳市兴宇合电子有限公司 | PIN machine is cut in miniature accurate pneumatics |
| CN206153460U (en) * | 2016-11-15 | 2017-05-10 | 深圳市万相源科技有限公司 | Foot mechanism is cut to electronic component bulk cargo |
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| CN109317583A (en) * | 2018-09-29 | 2019-02-12 | 深圳赛意法微电子有限公司 | The Trim Molding method of semiconductor devices |
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| CN111211070B (en) | 2023-06-06 |
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Address after: 550018 Guizhou Province, Guiyang city new North Avenue No. 238 Applicant after: Guizhou Zhenhua Fengguang Semiconductor Co.,Ltd. Address before: 550018 Guizhou Province, Guiyang city new North Avenue No. 238 Applicant before: GUIZHOU ZHENHUA FENGGUANG SEMICONDUCTOR Co.,Ltd. |
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