CN2554111Y

CN2554111Y - Improved structure of outer covered film on electronic element packing container

Info

Publication number: CN2554111Y
Application number: CN 02217046
Authority: CN
Inventors: 江炼钦
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-24
Filing date: 2002-04-24
Publication date: 2003-06-04
Anticipated expiration: 2012-04-24

Abstract

The utility model relates to an improved structure of a film cover outside an electronic element packaging container, which comprises a joint with a holding groove and a film which is heat-sealed on the surface of the joint. The utility model is characterized in that the film is composed of an upper layer, a middle layer and a lower layer by flow coating; the upper layer is composed of polyethylene terephthalate, the middle layer is made of polyethylene and the lower layer is formed by low adhesive resin mixed with antioxidant of gasification and antistatic agent, so as to effectively prevent the damage of the metal joint of the terminal of the electronic element caused by oxidation and electrostatic. And the lower layer film is provided with a combination of aerification antioxidant and anlistatig, which can volatize aerification oxidation resistant gas in the holding groove and prevent the lower layer surface of the film from generating franklinism; furthermore, the lower layer film is provided with a low adhesive resin compound, so that when heat-sealing to the surface of the joint, the film just has the mild adhesion to the surface and is peeled regularly away from the surface of the joint when the film is forced and peeled.

Description

Its outer structure-improved that covers film of electronic package packaging container

Technical field

The utility model relates to the outer film that covers of electronic package packaging container, before refering in particular to a kind of electronic component and being removed processing, ccontaining packing container, cover through this container outer that film is volatilizable to go out anti-oxidant gas, make the electronic component terminal metal pin in the container can oxidation.

Background technology

Press electronic component, as senior electronic components such as wafer, IC, it all must adsorb by mat machine facility in container, and taking-up plug-in unit on circuit card supplies welding processing.

See also Fig. 6,7, by accommodating wafer for the container of getting material processing, its prior art, by plastic cement system, and the union body A that is film like constitutes, and wherein has several storage tanks A1 among the union body A, has a perforation A2 among the storage tank A1, side extends a lateral plate A3, is provided with several band material hole A4 among this lateral plate A3; One electronic component B (as wafer) is housed within storage tank A1, and this electronic component B has metal terminal pin B1; The one film C by relevant material formations such as PET (Polyethylene Terephthalate), mat seals on the surface of union body A, uses the notch of sealing storage tank A1.

As shown in Figure 9, union body A is swept across is spool body E, and wherein film C is rolled by rolling wheel F1, F2, makes film C break away from storage tank A1; The facility G (as Acetabula device or magnet arrangement) that utilizes bench board draws the electronic component B among the storage tank A1 and shifts to other bench board and be positioned on the circuit card for welding, the ultrared sensing device can be at perforation A2 detecting, and whether union body A advances to control, displacement.This skill has following defective to manifest in the use: (1) sees also Fig. 7, the pin B1 of electronic component B constitutes by the metal material of brass work or other conductions, and but the perforation A2 of storage tank A1 is necessary setting, therefore being in the storage tank A1 of closed is to fill air, moisture, and just changes the pin B1 oxidation that is very easy to make electronic component B with temperature again.(2) film C system is to seal on the surface of union body A, when film C is drawn when peeling off union body A surperficial, normal because film C tight bond is on union body A, therefore in the process of being stripped from, often cause film C to be torn and the continuous band-shaped body of film is broken, as shown in Figure 8, can't do the processing of automation.

Occupy above defective, how to make its pin of electronic component B B1 at storage tank A1, be difficult for oxidation, and film C being torn off surface energy at union body A and be easy to actv. and tear off, is the major subjects that the utility model is studied intensively.

Summary of the invention

Main purpose of the present utility model, be to provide a kind of electronic package packaging container its outer structure-improved that covers film, constituted with gasification property antioxidant and antistatic additive by a low then property resin through film lower floor, make lower floor can volatilize anti-oxidant gas in storage tank, can effectively prevent from its terminal metal pin oxidation of electronic component in the storage tank and produce static damage to be its main purpose.

A purpose more of the present utility model is to provide a kind of electronic package packaging container its outer structure-improved that covers film, and the performance film effectively is easy to be stripped from the union body surface really, tears fracture to prevent that film is stressed.

A purpose more of the present utility model, be to provide a kind of electronic package packaging container its outer structure-improved that covers film, lower floor has antistatic additive through film, can prevent down effectively that laminar surface produces electric charge, when making film be stripped from union body, can prevent effectively that the electronic component upper surface in the storage tank from pasting the surface that is attracted to film lower floor, causes doing the processing of automation.

For reaching above-mentioned purpose, its outer structure-improved that covers film of electronic package packaging container of the present utility model, comprise: one has the union body of storage tank, one film is heat-sealed on the superficial layer of union body, wherein, film, drench the film be combined into by the upper, middle and lower layer material, the upper strata is constituted by polyethylene terephthalate (PolyethyleneTerephthalate) material, the middle level is polyethylene (Polyethylene) material, and lower floor is made up of low then property mixed with resin gasification property antioxidant (Anti-oxidant) and antistatic additive (Anti-static); Wherein lower floor is because of having the composite of gasification property antioxidant, the anti-oxidant gas of the volatilizable voltinism of giving vent to anger is in the space of storage tank, lower floor is because of having the composite of antistatic additive, can prevent that laminar surface produces static under the film, lower floor is also because of having low property resin combination, only have the attaching of appropriateness during therefore with union body surface heat involution, make the neat sur-face peeling of energy when film is stressed to be peeled off from union body.

Superior effect of the present utility model is: middle layer film is as the pouring film media of upper and lower layer, can be effectively in conjunction with between the upper and lower layer, because lower film has gasification property antioxidant, antistatic agent composition, the anti-oxidant gas of the volatilizable voltinism of giving vent to anger is in the space of storage tank, and can prevent that laminar surface produces static under the film; Because of lower film has low then property resin combination, during therefore with union body surface heat involution, only have the attaching of appropriateness again, make the neat sur-face peeling of energy when film is stressed to be peeled off, and the unexpected film that makes is by tear fracture from union body.

Description of drawings Fig. 1 is a three-dimensional exploded view of the present utility model.Fig. 2 is a three-dimensional combination figure of the present utility model.Fig. 3 is the cross sectional drawing of the utility model film.Fig. 4 is the section-drawing along Fig. 2 A-A line.Fig. 5 breaks away from the section action diagram on union body surface for the utility model film.Fig. 6 is the block diagram of known electronic package packaging container.Fig. 7 is the cross sectional drawing along Fig. 6 X-X line.Fig. 8 covers film by the cross sectional drawing of tear fracture on the known electronic package packaging container.Fig. 9 is removed the schematic side view of processing for the electronic component in the known electronic package packaging container.Component symbol explanation in the accompanying drawing:

10 ... union body 12 ... storage tank

15 ... superficial layer 20 ... film

22 ... upper strata 23 ... the middle level

24 ... lower floor 50 ... electronic component

52 ... terminal pin 60 ... anti-oxidant gas

The specific embodiment

Now conjunction with figs. is done detailed explanation to the utility model.See also Fig. 1,2, shown in 3, main characteristic of the present utility model is at surperficial the right and left of union body 10 and film 20 heat sealings, about 0.06 millimeter of enforcement thickness that this film 20 is preferable, the upper strata 22 of film 20 wherein, middle level and lower floor 24 form to drench the film coating layer by layer, middle level 23, its main purpose is as the pouring film media of upper strata 22 with lower floor 24, middle level 23 can effectively be combined between the low then property resin material of upper strata 22 materials and lower floor 24 for polyethylene (Polyethylene) material, and in other words the film media is drenched as the upper strata 22 and the binding of lower floor 24 in middle level 23.See also again shown in Fig. 4,5, when the superficial layer 15 of film 20 heat-sealing at union body 10, because lower floor 24 has the characteristic of low then property resin, make lower floor 24 and superficial layer 15 only have the attaching of appropriateness, therefore when film 20 was torn off superficial layer 15, lower floor 24 can keep complete shape ground and break away from superficial layer 15, does not have partial thin film 20 and is adhered to superficial layer 15, cause by tear fracture the anxiety that can't process automatically and have.Lower floor of the present utility model 24 its composites comprise low then property resin and an amount of ratiometric gasification property antioxidant and the antistatic additive composition of the 80-90% left and right sides deal of having an appointment, therefore when the storage tank in the union body 10 12 is mid-when being placed with electronic component 50, lower floor 24 can volatilize the anti-oxidant gas 60 of gasification property, make electronic component 50 in the storage tank 12 terminal pin 52 and other metals, electroplate and partly all unexpected the oxidized situation of terminal pin 52 can take place.Lower floor 24 has the antistatic additive composition again, can make the surface of film 20 lower floors 24 be difficult for producing electrostatic effect, electronic component 50 is difficult for producing the infringements of static, and can electronic component 50 upper surfaces of storage tank 12 be attached to the anxieties that lower floor 24 surfaces are pulled up dystopy together can prevent that film 20 is stripped from superficial layer 15 time because of the charge effect of static.

Claims

1, its outer structure-improved that covers film of a kind of electronic package packaging container, comprise: one has the union body of storage tank, one film is heat-sealed on the superficial layer of union body, it is characterized in that: film, drench the film be combined into by the upper, middle and lower layer material, by layer of polyethylene terephthalate is the upper strata, is the middle level with the polyethylene layer, is combined as lower floor by low then property mixed with resin gasification property antioxidant and antistatic additive.

2, its outer structure-improved that covers film of electronic package packaging container according to claim 1, it is characterized in that: the composite with gasification property antioxidant is a lower floor.

3, its outer structure-improved that covers film of electronic package packaging container according to claim 1, it is characterized in that: the composite with antistatic additive is a lower floor.

4, its outer structure-improved that covers film of electronic package packaging container according to claim 1 is characterized in that: having low then property resin combination is lower floor.