EP2789215A2 - Procédé de production d'une carte de circuit par élimination d'une zone partielle de ladite carte, et utilisation d'un tel procédé - Google Patents

Procédé de production d'une carte de circuit par élimination d'une zone partielle de ladite carte, et utilisation d'un tel procédé

Info

Publication number
EP2789215A2
EP2789215A2 EP12816428.2A EP12816428A EP2789215A2 EP 2789215 A2 EP2789215 A2 EP 2789215A2 EP 12816428 A EP12816428 A EP 12816428A EP 2789215 A2 EP2789215 A2 EP 2789215A2
Authority
EP
European Patent Office
Prior art keywords
circuit board
printed circuit
layers
adhesion
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12816428.2A
Other languages
German (de)
English (en)
Inventor
Markus Leitgeb
Gerald Weidinger
Gregor Langer
Volodymyr KARPOVYCH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&S Austria Technologie und Systemtechnik AG
Original Assignee
AT&S Austria Technologie und Systemtechnik AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AT&S Austria Technologie und Systemtechnik AG filed Critical AT&S Austria Technologie und Systemtechnik AG
Publication of EP2789215A2 publication Critical patent/EP2789215A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/46—Manufacturing multilayer circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0011—Working of insulating substrates or insulating layers
    • H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/46—Manufacturing multilayer circuits
    • H05K3/4688—Composite multilayer circuits, i.e. comprising insulating layers having different properties
    • H05K3/4691—Rigid-flexible multilayer circuits comprising rigid and flexible layers, e.g. having in the bending regions only flexible layers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09009—Substrate related
    • H05K2201/09127—PCB or component having an integral separable or breakable part
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/01—Tools for processing; Objects used during processing
    • H05K2203/0191—Using tape or non-metallic foil in a process, e.g. during filling of a hole with conductive paste
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
    • H05K2203/0264—Peeling insulating layer, e.g. foil, or separating mask
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/10—Using electric, magnetic and electromagnetic fields; Using laser light
    • H05K2203/107—Using laser light
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49155—Manufacturing circuit on or in base
    • Y10T29/49156—Manufacturing circuit on or in base with selective destruction of conductive paths

Definitions

  • the present invention relates to a method for producing a printed circuit board with removal of a partial region thereof, wherein at least two layers of the printed circuit board are connected to one another and a connection of the part to be removed with an adjacent layer of the printed circuit board by providing or an adhesion preventing material is prevented and edge portions of the portion to be removed are separated from adjacent areas of the circuit board.
  • the present invention further relates to a use of such a method.
  • a method of the type mentioned above, for example, the WO 2008/098269 A or WO 2008/098271 A can be seen, wherein it is aimed, in a simple and reliable manner in the context of a production of a circuit board a portion of the same, for example, for exposing an element or to remove an exemption for a particular subsequent installation of an element to remove.
  • As part of the production of a multilayer printed circuit board it is known to connect individual layers or layers of such a circuit board by adhesive, Verpress- or laminating with each other, such layers or layers not only have a different structure but also usually made of different materials are and / or in such layers or layers other elements, such as active or passive components are built or are.
  • part of such a printed circuit board or a layer or layer is removed after a joining process of several layers or layers in the course of producing a printed circuit board or a printed circuit board intermediate or printed circuit board element, in particular in subsequent process steps, for example To be able to use components.
  • the invention therefore aims to develop a method of the type mentioned in that the above-mentioned disadvantages or problems are avoided or at least largely reduced and in particular a part to be removed easily and safely removed, in particular without damage of adjacent thereto Areas of the printed circuit board to be produced.
  • a method of the type initially mentioned is essentially characterized in that cracking and / or detachment from the portion of the circuit board to be removed is induced in or on the layer of the adhesion-preventing or adhesion-preventing material in a partial area is and then the part to be removed area is removed.
  • printed circuit board should not only designate a substantially finished multi-layer printed circuit board, but that a removal of a partial area of such a printed circuit board according to the invention may also be provided in different intermediate steps of a production, so that the general term printed circuit board and circuit board elements or printed circuit board intermediates during different process steps in the context of a particular multi-stage production of a circuit board to understand.
  • a particularly simple and reliable assistance in the removal of the portion to be removed is achieved according to a preferred embodiment of the method according to the invention in that the crack formation and / or detachment from the portion of the printed circuit board to be removed in or on the layer prevents it from sticking Material is caused by an introduction or by the uneven loading of the portion to be removed caused twisting thereof.
  • Such uneven loading of the portion to be removed can be brought without damage to the printed circuit board to be removed in the partial area to be removed, so that a lifting or detachment and removal of the portion to be removed is supported or simplified.
  • it is proposed in this context that the non-uniform stresses are applied to the portion to be removed while performing a separation of the portion to be removed from adjacent areas of the circuit board.
  • edge regions of the subarea to be removed are defined and / or separated in a manner known per se by milling, scoring, cutting, in particular laser cutting to be severed.
  • cracking is induced by introduction of an increased mechanical load or increased energy in the severing of the edge regions of the portion to be removed from adjacent areas of the printed circuit board.
  • known methods can be used to form the separation or severing of edge regions of the subarea to be removed in connection with the production of a printed circuit board.
  • a laser cutting operation be performed on at least one edge region of the part to be removed under the introduction of increased energy, as corresponds to a further preferred embodiment of the method according to the invention.
  • the increased energy is introduced by an oscillating laser beam.
  • the lifting or removal of the partial area to be removed can be simplified or assisted, without causing damage to surrounding areas of the printed circuit board.
  • the adhesion-preventing material is formed by a waxy paste, which during a bonding process of at least two layers of the printed circuit board Prevents adhesion or adhesion of the subsequently to be removed portion of the adjacent layer of the circuit board. In this way, it is possible in particular to be removed with little effort after a connection or coupling between the external element and the outer or outer surface of the subarea to be removed.
  • a blowing agent is added to the waxy paste which, after a connection of at least two layers of the printed circuit board under exposure to the to be removed Partial area is released at a relation to a temperature in the production of the connection between the layers or layers of the printed circuit board elevated temperature.
  • a blowing agent can be easily integrated into the waxy paste which forms the adhesion-preventing material.
  • the propellant can be released in a simple manner and thus a remaining slight adhesion or adhesion between the part to be removed and the adjoining or thereto adjacent layer or position of the circuit board can be canceled to such Subsequently, the part to be removed easily and in particular without the use of additional mechanical aids to remove.
  • the additional temperature treatment of only the portion to be removed impairment or damage to adjacent portions of the printed circuit board is reliably avoided.
  • the removal of the portion to be removed can be facilitated by performing the separation of edge portions of the portion to be removed from adjacent portions of the printed circuit board after the release of the blowing agent as well a further preferred embodiment of the method according to the invention.
  • Such can be due to the fact that the blowing agent contained in the waxy paste has already been released, a lifting and thus a reliable removal of the portion to be removed are carried out immediately when the separation or separation of the edge regions of the subarea to be removed is carried out.
  • the portion to be removed using a temporarily adhering to this aid, for example an adhesive tape or the like is removed from the circuit board, as corresponds to a further preferred embodiment of the method according to the invention.
  • the removal of the portion to be removed is performed automatically.
  • Carrier element arranged printed circuit boards or printed circuit board elements is moreover preferably proposed that a plurality of parts to be removed, in particular of a plurality of printed circuit boards using a common auxiliary substantially simultaneously removed.
  • the invention is furthermore proposed to use or to use the method according to the invention or a preferred embodiment thereof for producing a multilayer printed circuit board or a multilayer printed circuit board element or printed circuit board intermediate product.
  • it is furthermore preferably proposed to use the method according to the invention for producing cavities, in particular three-dimensional cavities or cavities, in a printed circuit board.
  • Further preferred uses of the method according to the invention are generating at least one channel in a printed circuit board, freeing at least one element, in particular registration element in the interior or inner layers of a multilayer printed circuit board, producing offset and / or stepped partial regions of a printed circuit board and / or a preparation of a rigid-flexible circuit board.
  • FIG. 1 shows a schematic section through a partial region of a printed circuit board, edge regions of a partial region to be removed having already been severed during the implementation of the method according to the invention
  • Figure 2 is a schematic representation according to the prior art, wherein is removed using a mechanical aid, the portion to be removed after the transection of the edge regions, as shown in Figure 1.
  • FIG. 3 schematically according to the method according to the invention, the induction of cracking in the adhesion or adhesion preventing layer in a portion below the portion to be removed, wherein in Fig. 3a schematically the introduction of an uneven load for cracking is indicated, while in FIG. 3b is a cracking is suggested by a twisting of the portion to be removed;
  • FIG. 4 shows a schematic representation of a removal of the portion to be removed using an external aid, for example in the form of an adhesive tape;
  • FIG. 5 shows different ways of introducing nonuniform stresses to induce cracking using a defocused laser beam as shown in FIG. 5a or an offset laser beam as shown in FIG. 5b.
  • FIG. Fig. 6 similar to the representation of Fig. 5 further different embodiments of an introduction of different stresses to induce cracking, wherein according to Fig. 6a in an edge region an increased laser energy is used, according to Fig. 6b, an oscillating laser beam is used and shown in FIG 6c an additional amount of heat is introduced into a substantially central portion of the portion to be removed; and
  • FIG. 7 different process steps of a further modified embodiment of the method according to the invention using a propellant in the adhesion or adhesion preventing material, wherein in the process step shown in FIG. 7a different layers or layers of a printed circuit board are interconnected, according to FIG in a further method step, the propellant contained in the material which prevents sticking or sticking is released, and according to FIG. 7c, in a further method step, after severing the edge regions of the subarea to be removed by the use of the propellant, directly lifting off or removing the subarea to be removed he follows.
  • a printed circuit board or a partial area thereof is denoted by 1, wherein it can be seen that the printed circuit board 1 is formed by a plurality of layers, wherein, for example, layers 2 and 3 are each made of an insulating material , For example, FR4, while intermediate layers 4 and 5 consist of a conductive or conductive material, in particular copper and optionally structured.
  • the printed circuit board 1 shown generally in FIG. 1 can represent not only a substantially finished printed circuit board, but optionally also a printed circuit board element or printed circuit board intermediate product, which is subjected to further processing or processing steps.
  • Fig. 1 it is also shown that a generally designated 6 and subsequently to be removed portion of the circuit board 1 through the intermediary of a sticking or sticking-preventing material 7 to the adjacent thereto or adjoining layer or layer 4 during the unspecified manufacturing process of the multilayer printed circuit board 1 followed, so that after a already performed in the illustration of Fig. 1 separation of the edge regions of the portion to be removed 6, as they are separated or By separated regions 8 are indicated, the portion to be removed 6 can be easily separated from the adjoining or adjacent layer or layer 4.
  • the subarea 6 to be removed as well as regions of the printed circuit board 1 or the printed circuit board element adjoining it are each shown as a one-piece element independently of an optionally present plurality of individual layers or layers, such as this is apparent from Fig. 1.
  • relative thicknesses or general dimensions of the individual elements or partial regions are not shown to scale, in particular because individual layers or layers have an extremely small thickness relative to the dimensions of the printed circuit board 1 or the printed circuit board element or the partial region to be removed . can have.
  • FIGS. 2 and 3 only a partial representation is shown in FIGS. 2 and 3, wherein in each case the part region to be removed and an adjacent layer or layer of the printed circuit board are indicated.
  • a mechanical aid 10 is used to remove in the area designated by 6 'a portion to be removed from the adjacent layer or position of the printed circuit board 1' the adhesion or adhesion preventing layer or layer 7 'for overcoming the slightly remaining adhesion or adhesion between the part 6' to be removed and the printed circuit board 1 'subsequently to remove the partial region 6' to be removed. It is immediately obvious that by using such a mechanical aid 10 and in particular taking into account the usual way small dimensions of individual elements of such a circuit board 1 'directly damage to areas of the circuit board 1' is to be feared.
  • the region lying below or adjacent to the particular subarea to be removed is generally referred to as 1 corresponding to the printed circuit board to be produced, for which purpose, for example, the layer or layer 2 provided in FIG. 1 is provided.
  • cracking is induced in the adhesion-preventing material 7, as indicated in FIG. 3a and 3b by 11, respectively.
  • Such a crack formation 11, which subsequently enables a simple removal of the portion 6 to be removed from the circuit board 1, can be effected, for example, by introducing different stresses on the portion 6 to be removed, as indicated schematically by the different stresses indicating arrows 12 is shown in FIG. 3a, with examples of such introduction of different stresses being illustrated in detail in the following figures.
  • cracking 11 can be induced by twisting of an edge region 13 of the partial region 6 to be removed, as a result of which also the partial region 6 to be removed is simply removed from the printed circuit board 1 or from FIG the underlying or adjacent layer or layer can be removed.
  • FIG. 4 shows schematically that such a removal of the partial region 6 to be removed can be carried out or assisted, for example, by an external aid formed by an adhesive tape 14, in particular starting from the edge region where the crack formation 11 was induced Lifting the adhesive tape 14 according to the arrow 15 and thus a removal of the portion to be removed 6 can be made in a simple manner.
  • an external auxiliary means such as an adhesive tape 14, in particular in an arrangement of a plurality of printed circuit boards or printed circuit board elements 1, for example, in a common, not shown frame or support member, as is known in the manufacture of printed circuit boards per se when a correspondingly large-area external auxiliary means 14 is used, a plurality of partial areas 6 to be removed are each removed from a corresponding multiplicity of printed circuit boards 1.
  • Similar Licher manner can be carried out by using such an external auxiliary means 14 also, if appropriate, a removal of a plurality of partial areas 6 to be removed from a common printed circuit board or a common printed circuit board element 1.
  • FIGS. 5 and 6 indicate different possibilities for introducing different stresses, in particular into a part 6 to be removed, for inducing crack formation, the part area to be removed being denoted by 6 for simplicity of illustration, and the printed circuit board generally being designated 1.
  • a laser beam 16 is used for introducing an uneven stress, in particular in the region of a transection of an edge region of the part 6 to be removed, the laser beam 16 preventing the adhesion or sticking to the layer or layer Material 7 is defocused, as shown exaggerated in Fig. 5a, in the region of the cut through the use of the defocused laser beam 16 by introducing an excessive or non-uniform stress, as indicated in Fig. 3a, a cracking, not shown induce.
  • an offset laser beam 17 is used in the illustration according to FIG. 5 b, which in turn introduces or effects uneven stress in accordance with the illustration according to FIG. 3 a so as to initiate crack formation in the region of the laser beam 17 Induce separation or transection.
  • a laser beam 18 is used for introducing an uneven stress, which has an increased energy in the region of an edge region to be produced, which is indicated at 19, as shown by the reinforced line in the region of Section 19 is indicated.
  • a laser beam 21 is provided, which in an edge region, again designated 19, for introducing an uneven stress and thus for inducing cracking similar to the representation of FIG. 3a is formed by an oscillating laser beam.
  • a generally designated 31 printed circuit board consists of a first insulating layer 32 and a second insulating layer 33, wherein similarly as in the illustration of FIG. 1 copper layers 34 and 35 are additionally indicated , which in turn can be structured.
  • a connection or coupling for example, lamination of the layers of the printed circuit board 31 by known methods, wherein in the region of a subsequently to be removed portion a adhesion or adhesion preventing layer 36 is provided, which additionally contains a blowing agent.
  • a lifting or removal of the part to be removed 39 are made according to the arrow 40. It is therefore also in this embodiment without the use of mechanical aids, as shown in the prior art shown in FIG. 2, a removal of the removed portion 39 are made directly.
  • blowing agents for example azodicarbonamide, p-toluenesulfonyl semicarbazide or 5-phenyltetrazole can be used, in particular taking into account temperatures and pressures used in the context of a production of a printed circuit board 31.
  • the propellant may be contained, for example, in a concentration of 5% in the adhesion or adhesion preventing material 36, wherein it upon heating in particular of the portion 39 to be removed to temperatures of greater than 210 ° C, in particular about 210 ° C to 220 ° C is released accordingly, as indicated in the illustration of FIG. 7b.
  • This release or decomposition temperature of the propellant in this case is in particular slightly above the usual manner in the production or lamination of such multilayer printed circuit boards 39 used temperatures of, for example, max. 200 ° C.
  • an adhesive or adhesive tape which is arranged in the region of the portion 39 to be removed and which also contains a blowing agent or which For example, decomposed at temperatures above 210 ° C and releases a blowing agent for the removal of the portion 39 to be removed.
  • a stepped and / or step-shaped partial region can be produced, for example, by a multi-stage removal of several subregions to be removed in superimposed layers or layers of a multilayer printed circuit board ,

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Laser Beam Processing (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)

Abstract

L'invention concerne un procédé pour produire une carte de circuit par élimination d'une zone partielle de ladite carte, selon lequel au moins deux couches ou strates de la carte de circuit (1) sont interconnectées et une liaison entre la zone partielle (6) à éliminer et une strate adjacente de la carte de circuit imprimé est évitée par mise en place d'une couche (7) composée d'un matériau empêchant l'adhérence ou le collage et des zones marginales (8) de la zone partielle (6) à éliminer sont séparées de zones de la carte de circuit (1) qui jouxtent ladite zone partielle. Selon l'invention, dans ou au niveau de la couche (7) composée d'un matériau empêchant l'adhérence ou le collage, un fendillement est induit dans une zone partielle et/ou une séparation de la zone partielle (6) de la carte de circuit (1) qui doit être éliminée est induite, puis la zone partielle (6) à éliminer est enlevée, ce qui permet d'enlever, de manière aisée et fiable et éventuellement automatisée, une zone partielle (6) à éliminer, d'une carte de circuit (1). L'invention concerne par ailleurs une utilisation d'un procédé de ce type pour produire une carte de circuit (1) multicouche et en particulier pour ménager des cavités dans une carte de circuit (1) de ce type.
EP12816428.2A 2011-12-05 2012-12-03 Procédé de production d'une carte de circuit par élimination d'une zone partielle de ladite carte, et utilisation d'un tel procédé Withdrawn EP2789215A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATGM657/2011U AT13229U1 (de) 2011-12-05 2011-12-05 Verfahren zum herstellen einer leiterplatte unter entfernung eines teilbereichs derselben sowie verwendung eines derartigen verfahrens
PCT/AT2012/000303 WO2013082638A2 (fr) 2011-12-05 2012-12-03 Procédé de production d'une carte de circuit par élimination d'une zone partielle de ladite carte, et utilisation d'un tel procédé

Publications (1)

Publication Number Publication Date
EP2789215A2 true EP2789215A2 (fr) 2014-10-15

Family

ID=48575001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12816428.2A Withdrawn EP2789215A2 (fr) 2011-12-05 2012-12-03 Procédé de production d'une carte de circuit par élimination d'une zone partielle de ladite carte, et utilisation d'un tel procédé

Country Status (6)

Country Link
US (1) US20140373350A1 (fr)
EP (1) EP2789215A2 (fr)
JP (1) JP2015502662A (fr)
CN (1) CN104054402A (fr)
AT (1) AT13229U1 (fr)
WO (1) WO2013082638A2 (fr)

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AT13231U1 (de) 2011-12-05 2013-08-15 Austria Tech & System Tech Verfahren zum herstellen einer leiterplatte unter entfernung eines teilbereichs derselben sowie verwendung eines derartigen verfahrens
CN104735924B (zh) * 2015-03-31 2018-01-12 广州美维电子有限公司 用于多层阶梯状软硬结合板的开盖工艺
CN107872925A (zh) * 2016-09-27 2018-04-03 奥特斯奥地利科技与系统技术有限公司 将部件嵌入导电箔上的芯中
CN108271313B (zh) * 2016-12-30 2021-03-16 奥特斯(中国)有限公司 用于部件承载件的具有纳米和/或微米结构的片材
CN110691479B (zh) * 2019-10-11 2021-05-04 博敏电子股份有限公司 一种解决电磁屏蔽型刚挠结合板大批量生产的制作方法
CN114554725B (zh) * 2022-04-25 2022-07-05 绵阳新能智造科技有限公司 一种复合pcb板的粘贴装置及方法

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Also Published As

Publication number Publication date
US20140373350A1 (en) 2014-12-25
WO2013082638A2 (fr) 2013-06-13
AT13229U1 (de) 2013-08-15
JP2015502662A (ja) 2015-01-22
WO2013082638A3 (fr) 2013-11-07
CN104054402A (zh) 2014-09-17

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