CN114801032B - Ime工艺中线路出线位置的防护工艺 - Google Patents
Ime工艺中线路出线位置的防护工艺 Download PDFInfo
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- CN114801032B CN114801032B CN202210363708.8A CN202210363708A CN114801032B CN 114801032 B CN114801032 B CN 114801032B CN 202210363708 A CN202210363708 A CN 202210363708A CN 114801032 B CN114801032 B CN 114801032B
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- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 238000001746 injection moulding Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000003292 glue Substances 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 238000005034 decoration Methods 0.000 claims abstract description 6
- 238000007639 printing Methods 0.000 claims abstract description 5
- 238000011990 functional testing Methods 0.000 claims abstract description 4
- 238000007689 inspection Methods 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims abstract description 4
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
- B29C45/14647—Making flat card-like articles with an incorporated IC or chip module, e.g. IC or chip cards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
本发明公开了IME工艺中线路出线位置的防护工艺,包括:1)将装饰面板的图文和线路印刷在PET上,2)印刷完成品先进行成型,成型完成后将线路膜片1放入在注塑模具中进行产品注塑,3)注塑完成后的注塑件进行外观检验,合格品再进行注塑模合模处出线口的封胶,4)待胶水固话完全后进行功能测试,测试合格后进行包装出货,所述胶水绝缘阻抗为1010Ω,伸强度为3.0N/mm2~4.0N/mm2,粘度为80~100Pa·s/23℃;提高了IMC工艺的稳定性和产品的优良率,由于IMC工艺节省了PET和光学胶,进而降低了整个产品的成本,客户端由于线路密封在塑料件中,防水防尘等级高,客户的整机取消了超声波工艺,减少了工序和噪声污染。
Description
技术领域
本发明涉及一种防护工艺,特别涉及IME工艺中线路出线位置的防护工艺。
背景技术
在IME是将膜片,线路,电子元器件,LED灯集成化注塑在一起,将传统的IMD膜内装饰件与功能整合成一个产品,整个工艺对于线路的保护尤其重要,如果线路出线损伤会直接导致功能不良。
在整个生产过程中,最易出线问题的就是线路出线的位置,如果防护设计不佳,稍微用点外力拉扯会使膜片与塑料件剥离,导致银浆线拉断。
发明内容
本发明提供IME工艺中线路出线位置的防护工艺用来克服现有技术中IME在制作过程中膜片与塑料件易剥离,导致银浆线拉断的缺陷。
为了解决上述技术问题,本发明提供了如下的技术方案:
本发明公开了IME工艺中线路出线位置的防护工艺,包括:
1)将装饰面板的图文和线路印刷在PET上;
2)印刷完成品先进行成型,成型完成后将线路膜片1放入在注塑模具中进行产品注塑;
3)注塑完成后的注塑件进行外观检验,合格品再进行注塑模合模处出线口的封胶;
4)待胶水固话完全后进行功能测试,测试合格后进行包装出货。
进一步的,PET印刷好的线路膜片成型过程中将引出线做U型口处理。
进一步的,U型口的顶部位置要高于注塑件的边缘,高度≥0.5mm;模具U型口开口的宽度单边>引出线1mm;线路膜片与注塑件接触处的线路材料倒角≥1mm,注塑完成后产品线路的U型口边缘不会与注塑件边缘地方重合,不产生小缺口。
进一步的,所述胶水的绝缘阻抗为1010Ω,拉伸强度为3.0N/mm2~4.0N/mm2,粘度为80~100Pa·s/23℃。
本发明所达到的有益效果是:提高了IMC工艺的稳定性和产品的优良率,由于IMC工艺节省了PET和光学胶,进而降低了整个产品的成本,客户端由于线路密封在塑料件中,防水防尘等级高,客户的整机取消了超声波工艺,减少了工序和噪声污染。
附图说明
附图用来提供对本发明的进一步理解,并且构成说明书的一部分,与本发明的实施例一起用于解释本发明,并不构成对本发明的限制。在附图中:
图1是本发明的俯视图。
图中:1、线路膜片;2、注塑件;3、U型口;4、出线口。
具体实施方式
以下结合附图对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
实施例1
如图1所示,IME工艺中线路出线位置的防护工艺,包括:
1、将装饰面板的图文和线路印刷在PET上;
2、印刷完成品先进行成型,成型完成后将线路膜片1放入在注塑模具中进行产品注塑;
3、注塑完成后的注塑件2进行外观检验,合格品再进行出线口4的封胶;
4、待胶水固话完全后进行功能测试,测试合格后进行包装出货。
PET印刷好的线路膜片1成型过程中,由于出线口特殊的印刷工艺,印刷的粘合剂无法使PET与塑料粒子结合起来,导致此处后期成品容易使片材与注塑件2剥离,所以成型时候将引出线做U型口3处理,U型口3的顶部位置要高于注塑件2的边缘。高度≥0.5mm,且模具U型口3开口的宽度单边要>引出线至少1mm,线路膜片1与注塑件2接触的地方线路材料倒角≥1mm,注塑完成后产品线路的U型口3边缘不会与注塑件2边缘地方重合,不容易产生小缺口。因为PET如果产生了缺口,受到外力容易撕裂PET,银浆距离PET的边缘很近,一旦PET撕裂也就导致了银浆线的断裂,造成产品报废。
出线口4是注塑模合模的地方,在后期组装过程中最容易导致此处银浆线损伤。所以在确认产品外观无瑕疵后,必须使用胶水进行封胶,由于产品出线端需要弯折,同时产品带有触摸功能,选用的胶水绝缘阻抗需要达到1010Ω,以防止触摸不良。其次,由于尾巴需要弯折与PCB电脑版连接,所以胶的拉升率和也有要求,拉伸强度选择在3.0N/mm2~4.0N/mm2。由于是粘合在产品表面,胶的粘度需要控制80~100Pa·s/23℃,此粘度范围点胶容易成型,不会随着固化的过程发生形变。在弯折的过程中也可有效的保证PET不会脱离塑料件。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (1)
1.IME工艺中线路出线位置的防护工艺,其特征在于,包括:
1)将装饰面板的图文和线路印刷在PET上;
2)印刷完成品先进行成型,成型完成后将线路膜片放入在注塑模具中进行产品注塑;
3)注塑完成后的注塑件进行外观检验,合格品再进行注塑模合模处出线口的封胶;
4)待胶水固化完全后进行功能测试,测试合格后进行包装出货;
所述胶水的绝缘阻抗为1010Ω,拉伸强度为3.0N/mm2~4.0N/mm2,粘度为80~100Pa‧s/23℃;
PET印刷好的所述线路膜片在成型过程中将引出线做U型口处理;
所述U型口的顶部位置高于注塑件的边缘,高度≥0.5mm;
所述U型口开口的宽度单边>引出线1mm;
所述线路膜片与注塑件接触处的线路材料倒角≥1mm,注塑完成后产品线路的U型口边缘不会与注塑件边缘地方重合,不产生小缺口。
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Denomination of invention: Protection Technology for Line Outlet Position in IME Process Effective date of registration: 20231012 Granted publication date: 20230425 Pledgee: Bank of China Wuxi Binhu sub branch Pledgor: WUXI KEHONG LABEL Co.,Ltd. Registration number: Y2023980060851 |