CN208387014U - Surface mount device, circuit board assemblies and electronic device - Google Patents

Abstract

The utility model discloses a kind of surface mount device, circuit board assemblies and electronic device, the outer surface of surface mount device has binding domain, and binding domain is equipped with mark part.Mark part is arranged by the binding domain in surface mount device in surface mount device according to the present utility model, during patch, can be convenient that operator is cracking to find feeding position, improves producing line operating efficiency.And when the binding domain of surface mount device is larger, when suction nozzle can draw multiple positions, mark part is set a position, specifying the position is feeding position, and more fool proof is more advantageous to and ensures patch quality.

Description

Surface mount device, circuit board assemblies and electronic device

Technical field

The utility model relates to technical field of communication equipment, more particularly, to a kind of surface mount device, circuit board assemblies And electronic device.

Background technique

When chip mounter suction nozzle extracting elements mount, draws range and generally default the region in a fixed tolerance, because having A little component body sizes are big, and equipment camera can not be shown completely, or draw center and be not overlapped with the geometric center of element, therefore A suitable feeding position must be manually adjusted, a reference point must be looked for specify feeding position at this time.In the related technology, hand It moves and applies point identification on element with as a reference point, suction nozzle is adjusted to suitable feeding position, then wipe paint point or scrap One element repeats paint point movement when replacing material again, easily causes low efficiency, and manual paint point position inaccuracy etc. is abnormal.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions A kind of surface mount device out, the surface mount device can be quickly found out the feeding position of suction nozzle in attachment.

The utility model also proposes that a kind of circuit board assemblies, the circuit board assemblies include above-mentioned surface mount device.

The utility model also proposes that a kind of electronic device, the electronic device include foregoing circuit board group part.

According to the surface mount device of the utility model embodiment, the outer surface of the surface mount device has adsorption zone Domain, the binding domain are equipped with mark part.

According to the surface mount device of the utility model embodiment, mark is arranged by the binding domain in surface mount device Knowledge portion can be convenient that operator is cracking to find feeding position during patch, improve producing line operating efficiency.And When the binding domain of surface mount device is larger, when suction nozzle can draw multiple positions, mark part is set a position, is referred to The fixed position is feeding position, and more fool proof is more advantageous to and ensures patch quality.

Some embodiments according to the present utility model, the binding domain are plane domain.

Some embodiments according to the present utility model, the mark part the binding domain be projected as it is dotted.

Some embodiments according to the present utility model, the mark part are projected as round or ellipse the binding domain Shape.

Some embodiments according to the present utility model, the mark part are projected as polygon the binding domain.

Some embodiments according to the present utility model, the mark part have geometric center point.

Some embodiments according to the present utility model, the mark part the binding domain be projected as intersecting it is linear.

Some embodiments according to the present utility model, the mark part are the groove being formed on the binding domain.

Some embodiments according to the present utility model, the mark part are the protrusion being formed on the binding domain.

Some embodiments according to the present utility model, the mark part are that the mark being sprayed on the binding domain applies Layer.

Some embodiments according to the present utility model, the mark part are the mark label being pasted on the binding domain Paper.

Some embodiments according to the present utility model, along the circumferential direction of the binding domain, the foreign steamer of the mark part Profile is spaced apart with the outer contour of the binding domain.

Some embodiments according to the present utility model, the outer profile of the outer contour of the mark part and the binding domain Minimum range between line is L, and the L meets: L >=0.1mm.

In the geometry of some embodiments according to the present utility model, the geometric center of the mark part and the binding domain The heart is overlapped.

Some embodiments according to the present utility model, the surface mount device are protective cradle, earphone or sealing cover.

According to the circuit board assemblies that the utility model is implemented, including above-mentioned surface mount device.

According to the circuit board assemblies of the utility model embodiment, mark is arranged by the binding domain in surface mount device Portion can be convenient that operator is cracking to find feeding position during patch, improve producing line operating efficiency.And work as When the binding domain of surface mount device is larger, when suction nozzle can draw multiple positions, mark part is set a position, is specified The position is feeding position, and more fool proof is more advantageous to and ensures patch quality.

According to the electronic device of the utility model embodiment, including foregoing circuit board group part.

According to the electronic device of the utility model embodiment, mark is arranged by the binding domain in surface mount device Portion can be convenient that operator is cracking to find feeding position during patch, improve producing line operating efficiency.And work as When the binding domain of surface mount device is larger, when suction nozzle can draw multiple positions, mark part is set a position, is specified The position is feeding position, and more fool proof is more advantageous to and ensures patch quality.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is according to the main view of the surface mount device of the utility model embodiment, and wherein surface mount device is ear Machine, mark part binding domain be projected as it is dotted；

Fig. 2 is according to the main view of the surface mount device of the utility model embodiment, and wherein surface mount device is ear Machine, mark part are projected as circle binding domain；

Fig. 3 is according to the main view of the surface mount device of the utility model embodiment, and wherein surface mount device is ear Machine, mark part are projected as rectangle binding domain；

Fig. 4 is according to the main view of the surface mount device of the utility model embodiment, and wherein surface mount device is ear Machine, mark part are projected as cross frame shape binding domain；

Fig. 5 is according to the main view of the surface mount device of the utility model embodiment, and wherein surface mount device is ear Machine, mark part binding domain be projected as intersecting it is linear；

Fig. 6 is according to the main view of the surface mount device of the utility model embodiment, and wherein surface mount device is branch Frame, mark part are projected as cross frame shape binding domain；

Fig. 7 is the main view according to the circuit board assemblies of the utility model embodiment；

Fig. 8 is the main view according to the electronic device of the utility model embodiment.

Appended drawing reference:

Electronic device 100,

Circuit board assemblies 10,

Surface mount device 1, binding domain 11, mark part 12,

Circuit board 2.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Below with reference to the accompanying drawings surface mount device 1 according to the utility model embodiment is described.

As shown in Figure 1, binding domain 11 is had according to the outer surface of the surface mount device 1 of the utility model embodiment, Binding domain 11 is equipped with mark part 12.Surface mount device 1 can be sticked on the circuit board 2, on chip mounter by chip mounter Equipped with suction nozzle, during 1 patch of surface mount device, the binding domain of suction surface mount device 1 can be passed through 11, so that surface mount device 1 is moved on circuit board 2 at corresponding position.

And mark part 12 is set in binding domain 11, mark part 12 is very intuitive, can be convenient and efficiently finds feeding position It sets, greatly promotes producing line operating efficiency.In addition, suction nozzle can be drawn more when the binding domain 11 of surface mount device 1 is larger When a position, mark part 12 is set a position, specifying the position is feeding position, and more fool proof is more advantageous to guarantee patch Quality.

When 1 size of surface mount device is larger, the camera on chip mounter can not obtain the feeding position of surface mount device 1 It sets or when the feeding position of surface mount device 1 is not overlapped with geometric center, user can actually will take according to mark part 12 In the control system of the coordinate input chip mounter of discharge position, so as to adjust the feeding position coordinates of suction nozzle, move suction nozzle faster It moves to mark part 12.

According to the surface mount device 1 of the utility model embodiment, set by the binding domain 11 in surface mount device 1 Mark part 12 is set, during patch, can be convenient that operator is cracking to find feeding position, improve producing line operation effect Rate.And when the binding domain of surface mount device 1 11 is larger, when suction nozzle can draw multiple positions, set a position Mark part 12 is set, specifying the position is feeding position, and more fool proof is more advantageous to and ensures patch quality.

In some embodiments of the utility model, as described in Figure 1, binding domain 11 is plane domain.It is possible thereby to protect The reliability that suction nozzle and binding domain 11 adsorb is demonstrate,proved, avoids suction nozzle from separating with surface mount device 1, to improve chip mounter patch Efficiency.

In some embodiments of the utility model, as shown in Figure 1, mark part 12 is projected as a little in binding domain 11 Shape.For mark part 12 in the point that is projected as of binding domain 11, the coordinate of mark part 12 is the coordinate of suction nozzle feeding position, is convenient for Operator's identification.Certainly, as shown in Fig. 2, mark part 12 can be round or oval in the projection of binding domain 11.Thus Mark part 12 can be made more intuitive, identified convenient for operator.Wherein the geometric center of round or ellipse takes for suction nozzle The coordinate of discharge position.

In addition, mark part 12 can also be polygon in the projection of binding domain 11 as shown in Fig. 3, Fig. 4 and Fig. 6.Thus The diversity of the structure of mark part 12 can be increased.For example, in the example depicted in fig. 3, mark part 12 is in binding domain 11 It is projected as rectangle, the geometric center of rectangle is the feeding position coordinates of suction nozzle.In Fig. 4 and example shown in fig. 6, mark part 12 It is projected as cross frame shape in binding domain 11, mark part 12 is formed generally as "+" shape, and everywhere all has certain width, Wherein the geometric center of the mark part 12 of cross frame shape is the feeding position coordinates of suction nozzle.

Further, there is geometric center in the mark part 12 for being projected as polygon of binding domain 11, mark part 12 exists The polygon for being projected as rule of binding domain 11, is thus convenient for the geometric center in identification marking portion 12, consequently facilitating adjustment is inhaled The feeding position of mouth.

In addition, as shown in figure 5, mark part 12 binding domain 11 be projected as intersecting it is linear.Intersecting linear is two phases The shape of the rectilinear(-al) of friendship.Intersect the feeding position coordinates that linear intersection point is suction nozzle.For example, in the example depicted in fig. 5, Two lines intersection, and two straight lines are vertical, the length of two straight lines is identical, and crosspoint is the midpoint of straight line.Certainly, this is practical new Type is without being limited thereto, and the angle between two straight lines can also be acute angle, and crosspoint can also be any point on straight line.Thus it is convenient for Identify the feeding position coordinates of suction nozzle.

In some embodiments of the utility model, as Figure 1-Figure 5, mark part 12 is to be formed on binding domain 11 Groove.Surface mount device 1 process when, can directly its outer surface binding domain 11 process groove in patch Play the role of mark in the process.Its further groove can be process by laser carving technique.It should be noted that the foreign steamer of groove The size that the size of profile is less than the cross section of the suction channel of suction nozzle leads to surface to avoid suction recess region Mount Device 1 can not be picked up.

In addition, mark part 12 can also be the protrusion being formed on binding domain 11.It is possible thereby to increase mark part 12 The diversity of structure.It should be noted that the size of the outer contour of protrusion is less than the ruler of the cross section of the suction channel of suction nozzle It is very little, to avoid suction nozzle from being bonded with protrusion and can not be bonded with plane, cause surface mount device 1 that can not be picked up.

In some embodiments of the utility model, mark part 12 is the identification coatings being sprayed on binding domain 11.Mark Knowledge portion 12 can be sprayed on binding domain 11 by spraying process, it is possible thereby to simplify the manufacturing procedure of surface mount device 1, mention High efficiency.It should be noted that the size of the outer contour of mark figure layer is less than the cross section of the suction channel of suction nozzle Size causes surface mount device 1 that can not be picked up to avoid suction nozzle that from can not being bonded with plane.

Certainly, the utility model is without being limited thereto, and mark part 12 can also be the mark paster being pasted on binding domain 11. Thus it not only can simplify the manufacturing procedure of surface mount device 1, improve production efficiency, surface mount device 1 can also be improved The multiplicity of structure is new.It should be noted that the size of the outer contour of mark paster is less than the cross section of the suction channel of suction nozzle Size cause surface mount device 1 that can not be picked up to avoid suction nozzle that from can not being bonded with plane.

In some embodiments of the utility model, as Figure 1-Figure 5, along the circumferential direction of binding domain 11, mark The outer contour in portion 12 is spaced apart with the outer contour of binding domain 11.For example, as shown in figure 3, along binding domain 11 circumferential direction Direction all has a certain distance between the outer contour of mark part 12 and the outer contour of binding domain 11.Thus in suction nozzle When adsorbing binding domain 11, it is ensured that the end face of suction nozzle is fitted in the region on binding domain 11 outside mark part 12, improves and inhales The reliability adsorbed between mouth and binding domain 11.

Further, the minimum range between the outer contour of mark part 12 and the outer contour of binding domain 11 is L, L Meet: L >=0.1mm.Further, L meets: 0.1mm≤L≤5mm.Thus in suction binding domain 11, Ke Yigeng Guarantee that the end face of suction nozzle is fitted in the region on binding domain 11 outside mark part 12 well, improves between suction nozzle and binding domain 11 The reliability of absorption.

In some embodiments of the utility model, the geometric center of mark part 12 and the geometric center weight of binding domain 11 It closes.It thus it can be prevented that surface mount device 1 is fallen during absorption due to imbalance, improve suction nozzle and surface mount The reliability adsorbed between device 1.

In some embodiments of the utility model, surface mount device 1 is bracket, earphone or sealing cover etc..Surface patch Component on the circuit board 2 can also be pasted for other by chip mounter by filling device 1.

As described in Figure 7, according to the circuit board assemblies of the utility model embodiment 10, including above-mentioned surface mount device 1.Its Middle surface mount device 1 can be multiple.

According to the circuit board assemblies 10 of the utility model embodiment, set by the binding domain 11 in surface mount device 1 Mark part 12 is set, during patch, can be convenient that operator is cracking to find feeding position, improve producing line operation effect Rate.And when the binding domain of surface mount device 1 11 is larger, when suction nozzle can draw multiple positions, set a position Mark part 12 is set, specifying the position is feeding position, and more fool proof is more advantageous to and ensures patch quality.

As shown in figure 8, according to the electronic device 100 of the utility model embodiment, including foregoing circuit board group part 10.

According to the electronic device 100 of the utility model embodiment, pass through the setting of binding domain 11 in surface mount device 1 Mark part 12 can be convenient that operator is cracking to find feeding position during patch, improve producing line operating efficiency. And when the binding domain of surface mount device 1 11 is larger, when suction nozzle can draw multiple positions, in a position setting mark Knowledge portion 12, specifying the position is feeding position, and more fool proof is more advantageous to and ensures patch quality.

In the embodiment of the present application, electronic device 100 can be it is various can from outside obtain data and to the data into The equipment of row processing, alternatively, the electronic device 100 can be and various be built-in with battery and can be from external acquisition electric current to the electricity The equipment that pond is charged, for example, mobile phone, tablet computer, calculating equipment or device for display of message etc..

Electronic device 100 can be user equipment or user terminal (UE), and user equipment can be broadly defined as wrapping Containing any electronics, calculating and/or telecommunication apparatus (or combination of equipment), it is easy to be transported by user and is able to carry out channel radio Letter.Electronic device 100 or other devices with communication function.

Electronic device 100 can include but is not limited to following example.

Electronic device 100 can be various types of communication tools, such as mobile phone (being commonly called as mobile phone), smart phone, Cellular phone, visual telephone, fixed-line telephone (being commonly called as base), pager, videophone etc..

Electronic device 100 can be various types of computers or computer, such as laptop computer, desktop computer, Laptop, tablet computer, PDA (Personal Digital Assistant, palm PC), portable internet are set Standby, personal digital assistant, work station, server etc..

Electronic device 100 can be various types of media players, such as music player (such as MP3 player), sound Frequency player, video player, portable media player (PMP), digital video disk (DVD) player, television set or other Media player.

Electronic device 100 can be medium recorder, such as music recorder, recorder, video recorder, camera, camera shooting Machine etc..

Electronic device 100 can be game station, such as game machine, portable gaming device, game device.

Electronic equipment can be wearable calculating equipment, display or other wearable devices, such as wrist-watch, earphone, Headset, electronic glasses, electronics clothes, electronics bracelet, electronics necklace, electronic components, electronics are tatooed, contact lenses, wear-type fill It is (such as implantable to set (HMD), fabric or clothes entirety wearable device (such as electronics clothes) or implantable wearable device Circuit) or can be from the other kinds of electronic equipment of biological characteristic sensor device reception biological attribute data.

Electronic device 100 can be other kinds of equipment, such as radio, printer, calculator, programmable telemetry Device, electronic dictionary, electronic reader, electron key, digital photo frame, data storage device, global positioning system, Medical Devices, Vehicle transport instrument or other handheld devices.

In addition, multiple functions, which can also be performed, in the electronic device 100 of the application (plays music, display for example, having simultaneously Video stores picture and sends and receivees the functions such as call).

It takes the mobile phone as an example and the electronic device 100 that the application is applicable in is introduced.In the embodiment of the present application, mobile phone can With include radio circuit, memory, input unit, Wireless Fidelity (WiFi, wireless fidelity) module, display unit, The components such as sensor, voicefrequency circuit, processor, projecting cell, shooting unit, battery.

Wherein, radio circuit can be used for receive and send messages or communication process in, signal sends and receivees, particularly, will After the downlink information of base station receives, processor processing is given；In addition, the data of mobile phone uplink are sent to base station.In general, radio frequency electrical Road includes but is not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, Radio circuit can also be communicated with network and other equipment by wireless communication.Any communication mark can be used in above-mentioned wireless communication Quasi- or agreement, including but not limited to global system for mobile communications (GSM, Global System for Mobile Communication), general packet radio service (GPRS, General Packet Radio Service), CDMA (CDMA, Code Division Multiple Access), wideband code division multiple access (WCDMA, Wideband Code Division Multiple Access), long term evolution (LTE, Long Term Evolution), Email, short message clothes Be engaged in (SMS, Short Messaging Service) etc..

Memory can be used for storing software program and module, and processor is stored in the software program of memory by operation And module, thereby executing the various function application and data processing of mobile phone.Memory can mainly include storing program area and Storage data area, wherein storing program area can application program needed for storage program area, at least one function (such as sound is broadcast Playing function, image player function etc.) etc.；Storage data area, which can be stored, uses created data (such as audio number according to mobile phone According to, phone directory etc.) etc..In addition, memory may include high-speed random access memory, it can also include non-volatile memories Device, for example, at least a disk memory, flush memory device or other volatile solid-state parts.

Input unit can be used for receiving the number or character information of input, and generate the user setting and function with mobile phone It can control related key signals.Specifically, input unit may include touch panel and other input equipments.Touch panel, Referred to as touch screen, collecting the touch operation of user on it or nearby, (for example user is any suitable using finger, stylus etc. The operation of object or attachment on touch panel or near touch panel), and driven accordingly according to preset formula Attachment device.Optionally, touch panel may include both touch detecting apparatus and touch controller.

Touch detecting apparatus detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to Touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives Processor, and order that processor is sent can be received and executed.Furthermore, it is possible to use resistance-type, condenser type, infrared ray with And the multiple types such as surface acoustic wave realize touch panel.In addition to touch panel, input unit can also include other input equipments. Specifically, other input equipments can include but is not limited to physical keyboard, function key (such as volume control button, switch key Deng), trace ball, mouse, one of operating stick etc. or a variety of.

In addition, mobile phone may also include at least one sensor, such as attitude transducer, optical sensor and other sensings Device.

Specifically, attitude transducer is referred to as motion sensor, also, one kind as the motion sensor, can To enumerate gravity sensor, cantilevered shifter is made using elastic sensing element in gravity sensor, and using the sensitive member of elasticity Energy-stored spring made of part drives electric contact, to realize the variation that Gravity changer is converted into electric signal.

As the another kind of motion sensor, accelerometer sensor can be enumerated, accelerometer sensor can detect all directions Upper (generally three axis) acceleration magnitude, can detect that size and the direction of gravity, can be used to identify mobile phone posture when static It (for example pedometer, is struck using (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function Hit) etc..

It in the embodiment of the present application, can be first as aftermentioned " attitude parameter " is obtained using motion sensor listed above Part, but not limited to this, other sensors that can obtain " attitude parameter " are each fallen in the protection scope of the application, example Such as, gyroscope etc., also, the working principle of the gyroscope and data handling procedure can be similar to the prior art, here, in order to It avoids repeating, description is omitted.

In addition, in the embodiment of the present application, as sensor, can also configure barometer, hygrometer, thermometer and infrared ray The other sensors such as sensor, details are not described herein.

Optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment light The light and shade of line adjusts the brightness of display panel, proximity sensor can when mobile phone is moved in one's ear, close display panel and/or Backlight.

Voicefrequency circuit, loudspeaker and microphone can provide the audio interface between user and mobile phone.Voicefrequency circuit can will connect Electric signal after the audio data conversion received, is transferred to loudspeaker, is converted to voice signal output by loudspeaker；Another party The voice signal of collection is converted to electric signal by face, microphone, is converted to audio data after being received by voicefrequency circuit, then by audio After the processing of data output processing device, such as another mobile phone is sent to through radio circuit, or audio data is exported to storage Device is to be further processed.

WiFi belongs to short range wireless transmission technology, mobile phone can help user to send and receive e-mail by WiFi module, Webpage and access streaming video etc. are browsed, it provides wireless broadband internet access for user.But it is understood that It is simultaneously not belonging to must be configured into for mobile phone, can according to need in the range for the essence for not changing application and omits completely.

Processor is that the control centre of mobile phone is passed through using the various pieces of various interfaces and connection whole mobile phone Operation executes the software program and/or module being stored in memory, and calls the data being stored in memory, executes The various functions and processing data of mobile phone, to carry out integral monitoring to mobile phone.Optionally, processor may include one or more Processing unit；Preferably, processor can integrate application processor and modem processor, wherein application processor is mainly located Operating system, user interface and application program etc. are managed, modem processor mainly handles wireless communication.

It is understood that above-mentioned modem processor can not also be integrated into the processor.

Also, the processor can be used as the realization element of above-mentioned processing unit, execute same or similar with processing unit Function.

Mobile phone further includes the power supply (such as battery) powered to all parts.

Preferably, power supply can be logically contiguous with processor by power-supply management system, to pass through power-supply management system Realize the functions such as management charging, electric discharge and power managed.Although being not shown, mobile phone can also be including bluetooth module etc., herein It repeats no more.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the application.In the present specification, to above-mentioned term Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description Point can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that embodiments herein, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle and objective of the application, this The range of application is defined by the claims and their equivalents.

Claims (17)

1. a kind of surface mount device, which is characterized in that the outer surface of the surface mount device has binding domain, the suction Attached region is equipped with mark part.

2. surface mount device according to claim 1, which is characterized in that the binding domain is plane domain.

3. surface mount device according to claim 1, which is characterized in that throwing of the mark part in the binding domain Shadow is dotted.

4. surface mount device according to claim 1, which is characterized in that throwing of the mark part in the binding domain Shadow is round or oval.

5. surface mount device according to claim 1, which is characterized in that throwing of the mark part in the binding domain Shadow is polygon.

6. surface mount device according to claim 5, which is characterized in that the mark part has geometric center point.

7. surface mount device according to claim 1, which is characterized in that throwing of the mark part in the binding domain Shadow is that intersection is linear.

8. surface mount device according to claim 1, which is characterized in that the mark part is to be formed in the adsorption zone Groove on domain.

9. surface mount device according to claim 1, which is characterized in that the mark part is to be formed in the adsorption zone Protrusion on domain.

10. surface mount device according to claim 1, which is characterized in that the mark part is to be sprayed on the absorption Identification coatings on region.

11. surface mount device according to claim 1, which is characterized in that the mark part is to be pasted onto the absorption Mark paster on region.

12. surface mount device according to claim 1, which is characterized in that along the circumferential direction of the binding domain, institute The outer contour for stating mark part is spaced apart with the outer contour of the binding domain.

13. surface mount device according to claim 12, which is characterized in that the outer contour of the mark part with it is described Minimum range between the outer contour of binding domain is L, and the L meets: L >=0.1mm.

14. surface mount device according to claim 1, which is characterized in that the geometric center of the mark part with it is described The geometric center of binding domain is overlapped.

15. surface mount device according to claim 1, which is characterized in that the surface mount device is bracket, earphone Or sealing cover.

16. a kind of circuit board assemblies, which is characterized in that including surface mount device described according to claim 1 any one of -15 Part.

17. a kind of electronic device, which is characterized in that including circuit board assemblies according to claim 16.