CN209544315U - A kind of biradical island packaging frame of ESOP8 - Google Patents
A kind of biradical island packaging frame of ESOP8 Download PDFInfo
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- CN209544315U CN209544315U CN201920418685.XU CN201920418685U CN209544315U CN 209544315 U CN209544315 U CN 209544315U CN 201920418685 U CN201920418685 U CN 201920418685U CN 209544315 U CN209544315 U CN 209544315U
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Abstract
A kind of biradical island packaging frame of ESOP8, its coefficient requirement of chip that can satisfy multiple chips or opposed polarity, the flexibility used can be improved, reduce cost, avoid integrated circuit board structure complicated, the problem of product overall performance difference occurs, it includes Ji Dao, pin, the pin is connected with the chip on Ji Dao, pin is encapsulated by plastic packaging material, the pin includes eight: eight pins are divided into two groups of upsides for being distributed in frame, downside, it is characterized in that, the Ji Dao includes two: first Ji Dao, second Ji Dao, first Ji Dao, second Ji Dao is arranged by axial symmetry of the cross central line of the frame, the pin of upside is distinguished the chip on Ji Dao adjacent thereto with the pin of downside and is connected.
Description
Technical field
The utility model relates to integrated antenna package technical field, specially a kind of biradical island packaging frame of ESOP8.
Background technique
With the raising and chip manufacture work of the portable small-sized digital electronic goods demand such as mobile phone, laptop
Skill is constantly progressive, and IC Chip Production enters mass-production stage, make integrated circuit towards small size, high stability,
The problem of those skilled in the art increasingly pay close attention to is developed into high quality direction.Integrated circuit mainly by bonding wire frame, chip and
Plastic-sealed body constitute, by plastic-sealed body by bonding wire frame, chip package together, currently used bonding wire frame includes ESOP8 frame
Frame, but traditional ESOP8 frame is generally single base island structure, as shown in Figure 1, the use of the ESOP8 frame of single base island structure
Flexibility is poor, and chip bonding can only realize that the chip of single or double a same polarities is mounted on Ji Dao, when the multiple chips of needs
Or opposed polarity chip collective effect when, then need by increasing base island area or being further added by additional packaging and outside
The mode of line realizes which not only adds product costs, and easily leads to integrated circuit board structure complexity, product globality
The problem of capable of being deteriorated appearance is unable to satisfy client to the miniaturization of integrated circuit, simplification, the requirement of high stability.
Utility model content
It is poor for the ESOP8 frame using flexible of single base island structure existing in the prior art, it is not able to satisfy multiple
The coefficient requirement of the chip of chip or opposed polarity, and use increase base island area or be further added by additional encapsulating structure
Mode easily leads to the problem that at high cost, integrated circuit board structure is complicated, product overall performance is poor, and the utility model provides one kind
The biradical island packaging frame of ESOP8 can satisfy the coefficient requirement of chip of multiple chips or opposed polarity, and can be improved makes
Flexibility reduces cost, and integrated circuit board structure complexity, the problem of product overall performance difference is avoided to occur.
A kind of biradical island packaging frame of ESOP8 comprising Ji Dao, pin, the pin connect with the chip on Ji Dao, draw
Foot is encapsulated by plastic packaging material, and the pin includes eight: eight pins are divided into two groups and are distributed in the upside of frame, downside,
It is characterized in that, the Ji Dao includes two: first Ji Dao, the second Ji Dao, first Ji Dao, the second Ji Dao are with the frame
Cross central line be axial symmetry arrangement, the pin of upside and the pin of downside distinguish the chip on Ji Dao adjacent thereto
Connection.
It is further characterized by the cross central line of frame described in the pin of the upside and the pin of downside is axis pair
Claim arrangement；
The chip includes the first chip, the second chip, the model GS069W of first chip, second chip
Model BL6281, the lead includes 11, is respectively as follows: first lead to the 11st lead, first chip is logical
It crosses the first lead to the 4th lead and is separately connected first pin to the 4th pin, first chip and described second
Chip is drawn by the 5th lead, the 6th lead, the connection of the 7th lead, second chip by the 8th lead to the 11st
Line is separately connected the 5th pin to the 8th pin；
The plastic packaging material is epoxy resin；
The material of base island pin is copper, the electroplate of the Ji Dao, pin.
Using the above structure of the utility model, the island Liang Geji is set in a frame, phase is installed respectively on Ji Dao
The island Liang Geji and associated chip are encapsulated in a plastic-sealed body by plastic packaging material, are met multiple by associated chip
The coefficient requirement of the chip of chip or opposed polarity, improves the flexibility used, no need to increase base island area or again
Increase additional encapsulating structure, reduce input cost, avoids that integrated circuit board structure is complicated, product overall performance difference asks
Topic occurs；First Ji Dao, the second Ji Dao arrange that the pin of upside is under by axial symmetry of the cross central line of the frame
The pin of side distinguishes the connection of the chip on Ji Dao adjacent thereto.This arragement construction shortens what chip was connect with pin
The length of lead, reduces the hidden danger of lead deformation, while reducing the dosage of lead, reduces input cost, improves and adds
Work efficiency rate avoids integrated circuit board structure complexity, the problem of product overall performance difference occurs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of traditional ESOP8 frame；
Fig. 2 is the structural schematic diagram of the main view of the utility model；
The chip of Fig. 3 the utility model passes through the structural schematic diagram that lead is connect with pin.
Specific embodiment
See Fig. 2, Fig. 3, a kind of biradical island packaging frame of ESOP8 comprising base island 1, pin 2, base island 1, pin 2 material
Be copper, base island 1, pin 2 electroplate, base island 1, pin 2 encapsulated by plastic packaging material, and plastic packaging material is epoxy resin, pin 2
It is connected with the chip on base island 1, pin 2 includes that eight: eight pins 2 are divided to for two groups of upsides for being distributed in frame 3, downsides, base
Island 1 includes two: first base islands 11, the second base island 12, and first base island 11, the second base island 12 are with the transverse center of frame 3
Line is axial symmetry arrangement, and the pin of upside is distinguished the chip on base island 1 adjacent thereto with the pin of downside and connected, the present embodiment
In, pin 2 includes eight: first 21 to the 8th pins 28 of pin, pin 2 is divided to the two sides that frame 3 is distributed in for two groups, two groups
Pin 2 arranges that the first base island 11, the second base island 12 are parallel transversely disposed in frame 3 by axial symmetry of the cross central line of frame 3
On, the first base island 11 is arranged on frame 3, close to the side of wherein one group of pin 2, and the second base island 12 is arranged on frame 3, leans on
The side of nearly another group of pin 2, the first base island 11, the second base island 12 are using the cross central line of frame 3 as axial symmetry arrangement, Ji Dao
Associated chip 4 is separately installed on 1, chip includes two, respectively the first chip 41, the second chip in the present embodiment
42, the first chip 41 is arranged on the first base island 11, and the second chip 42 is arranged on the second base island 12, the model of the first chip 41
Are as follows: GS069W, the model of the second chip 42 are as follows: BL6281, lead include 11, are respectively as follows: first lead 51 to the 11st
Lead 61, the first chip 41 are separately connected 21 to the 4th pin 24 of the first pin by 51 to the 4th lead 54 of first lead, the
It is connected between one chip 41 and the second chip 42 by 55 to the 7th lead 57 of the 5th lead, the second chip 42 passes through the 8th lead
58 to the 11st leads 61 are separately connected 25 to the 8th pin 28 of the 5th pin.
That the specific working principle is as follows is described for it: being packaged to the biradical island packaging frame of ESOP8, in overall appearance and pin
In the case that spacing is constant, an island Ge Ji is changed to the island Liang Geji;Realize the encapsulation of two chips in a product.Specifically
: bonding die glue is put respectively on the first base island 11, the second base island 12, the first chip 41 is bonded on the first base island 11, by
Two chips 42 are bonded on the second base island 12, are connect the first chip 41, the second chip 42 with each pin 2 respectively by lead,
Whole afterwards to be put into moulding press grinding tool, high temperature injects plastic packaging material, the first base island 11, the second base island 12, the first chip of base 41, the
Two chips 42,21 to the 6th pin 26 of the first pin, are surrounded, and constitute packaging part, then will be entire by the mode of blowing a cold wind over
Packaging part is cooling, and plastic packaging material forms plastic-sealed body under cooling effect；Frame after plastic packaging is put into the ultrasonic scanner (U.S.
SONOSCAN company) detect whether gas hole, to detect the delamination of packaging part, by detection, this encapsulating structure has
Preferable binding force.
The island Liang Geji 1 is set on the frame 3, the first base island 11, the second base island 12 are parallel transversely disposed on frame 3, and
First base island 11, the second base island 12 are arranged by axial symmetry of the cross central line of frame 3, can effectively reduce base island 1 and plastic-sealed body
Between layering, it is ensured that have between the frame 3 and plastic-sealed body and be well bonded；Chip layout is connected in the chip
The adjacent Ji Dao of one group of pin on, greatly shorten the length of lead, the reduction of lead deformation hidden danger and lead dosage
It reduces, the layering that can be further reduced between frame and plastic-sealed body, it is ensured that there is preferable combine between the frame and plastic-sealed body
Power；
The present apparatus in a packaging part, reduces two or more packaging part assembled packages of existing relevant effect
Aerial lug, has saved packaging cost, while the reduction of aerial lug can effectively reduce external environment to packaging part globality
The interference of energy, improves product stability；The utility model will need the function of being realized by two or more packaging parts by one
Packaging part substitution, and the volume shared by it is identical as a packaging body, enormously simplifies the structure of integrated circuit board, reduces system
Cause this.
Claims (3)
1. a kind of biradical island packaging frame of ESOP8 comprising Ji Dao, pin, the pin are connected with the chip on Ji Dao, pin
It being encapsulated by plastic packaging material, the pin includes eight: eight pins are divided into two groups and are distributed in the upside of frame, downside,
It is characterized in that, the Ji Dao includes two: first Ji Dao, the second Ji Dao, and first Ji Dao, the second Ji Dao are with the frame
Cross central line is axial symmetry arrangement, and the pin of upside and the pin of downside distinguish the company of the chip on Ji Dao adjacent thereto
It connects.
2. the biradical island packaging frame of a kind of ESOP8 according to claim 1, which is characterized in that the pin of the upside and
The cross central line of frame described in the pin of downside is axial symmetry arrangement.
3. the biradical island packaging frame of a kind of ESOP8 according to claim 2, which is characterized in that the chip includes first
Chip, the second chip, the model GS069W of first chip, the model BL6281 of second chip, lead include
11, it is respectively as follows: first lead to the 11st lead, first chip is distinguished by the first lead to the 4th lead
First pin is connected to the 4th pin, first chip and second chip pass through the 5th lead, the 6th lead, the
The connection of seven leads, second chip are separately connected the 5th pin by the 8th lead to the 11st lead and draw to the 8th
Foot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418685.XU CN209544315U (en) | 2019-03-29 | 2019-03-29 | A kind of biradical island packaging frame of ESOP8 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418685.XU CN209544315U (en) | 2019-03-29 | 2019-03-29 | A kind of biradical island packaging frame of ESOP8 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209544315U true CN209544315U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920418685.XU Active CN209544315U (en) | 2019-03-29 | 2019-03-29 | A kind of biradical island packaging frame of ESOP8 |
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| CN (1) | CN209544315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979892A (en) * | 2019-03-29 | 2019-07-05 | 无锡红光微电子股份有限公司 | The biradical island packaging frame of ESOP8 |
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2019
- 2019-03-29 CN CN201920418685.XU patent/CN209544315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979892A (en) * | 2019-03-29 | 2019-07-05 | 无锡红光微电子股份有限公司 | The biradical island packaging frame of ESOP8 |
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