CN1095016A - 用于印刷线路的塑料层压制件的生产方法 - Google Patents

用于印刷线路的塑料层压制件的生产方法 Download PDF

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CN1095016A
CN1095016A CN94102783A CN94102783A CN1095016A CN 1095016 A CN1095016 A CN 1095016A CN 94102783 A CN94102783 A CN 94102783A CN 94102783 A CN94102783 A CN 94102783A CN 1095016 A CN1095016 A CN 1095016A
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布鲁诺·塞拉索
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Abstract

本发明涉及一种生产特别用于印刷线路的塑料 层压制件的生产方法，各个元件在合板(11-14)中 装配，合板在合板垛中排列，每一塑料层的两个面上 的薄层是由两条连续的带子(20，30)制做的，带子呈 蛇形状交替的位于每一合板(11-14)的上部和下 部，合板上的热是由两条带子的端部连接的适宜的电 源经由电热元件而供给的。

Description

本发明涉及一种利用金属薄层生产塑料层压制件的方法。
通常，塑料层压件由若干层塑料材料组成，这些层以纸、玻璃纤维、纤维或其它材料为基底通过压力而紧密牢固地结合在一起。
上述的塑料材料可以是（苯）酚、密胺、环氧树脂、聚脂、硅、氟化物或其它材料。
在印刷线路的生产中，在压制过程中将金属薄层（特别是铜）粘附于线路板的一面或两面。
一叠基本类似的合板形成一个合板垛，而每一个合板又是由许多最外部带有铜层的塑料片组成。
将金属片（如不锈钢或是其它金属）放置于每一合板之间，并将合板垛放入多盘压机中，同时加热和加压。
在结束一个包括冷却阶段的热循环后，各个单独的元件被紧紧地结合到一起，一个紧密而坚固的产品形成。
但是，这种产品的生产过程是复杂的，而且效率又低，这是因为压机要有许多盘，要在已限定的准确的程序中同时产生压力和热，在生产时要在合板垛中的各个不同的合板中形成均匀的温度，很显然，只有处于合板垛的顶部和底部上的合板是与热盘相接触着的。
现有的许多热盘不仅使压机的结构复杂，而且使合板的装卸载操作时间很长，而产品的生产运行时间很短，因而就出现了很难降低成本的问题。
特别是由于从热盘传递到合板垛的热要经过一段距离才能到达合板的最内部，所以热要从热盘穿过合板垛就受到阻碍。
这些问题导致了压机本身及其运行的高费用及材料的浪费，工作时间长，因此，生产费用很高。
本发明大大减少了上述现有技术的缺陷，而提供一种非常先进的生产方法，下面将作详细说明。
本发明的目的是提供一种生产塑料层压件的方法，这种塑料层压件特别用于印刷线路，在生产中用多个合板和金属薄层（特别是铜，下文中称作“薄层”）组成合板垛，每个合板包括一个由聚酯胶片或其它材料形成的高度绝缘板（下文中称作“聚酯胶片”），金属薄层位于聚酯胶片的两个表面上。将不锈钢板或其它材料制成的板片（下文中称作“板片”）放置于两个合板之间。
合板垛则被置于能够同时提供压力和热的压机中。
根据本发明，两薄层是由两条连续的带子做成的。
第一带子的第一部分叠置在第一合板的聚酯胶片的第一表面上。
第二带子的第一部分叠置在第一合板聚酯胶片的第二表面上，在放置了一个板片之后，在第二带子弯曲180°后第二带子的第二部分放在所说板片的第二表面上。
第一带子的第二部分叠置在第二合板聚酯胶片的第二表面上，挨着第一合板的下一个合板即为第二合板，在第二板片被放置好之后，在第一带子弯曲成180°后第一带子的第三部分放在所说板片的第二表面上。
第二带子在弯曲180°后其第三部分被放置在第三合板聚酯胶片的第二表面上，这样在两带子之间通过合板垛保持一个电绝缘层。
两个带子的首端和末端接到一个适用的电源上。
这样，当适当的压力加在合板垛上并且闭合电源时，两条带子的各个部分将作为电加热元件接合于各个合板的两个表面上，从而使得合板中不同的层紧密结合而形成塑料层压件。
能进行高度电绝缘的层板或其它等同物被放置于板片和连续的带子之间。
带子最好用铜制做。
在一较佳实施例中，两条带子的端部到达合板垛的同一侧，用以容易地与电源相连接。
把两条带子弯曲180°，交替地放在合板垛的一侧和相对的另一侧，这是本发明的优点。
合板垛上的压力可通过将合板垛放置在冷压机或热压器中来确定。
在一个实施例中，将合板垛放入到一个在其顶部和底部带有盘的模子中，该顶部和底部由支承销和导引销连接。
工作中所需的压力由安置在冷压机或热压器中的模子来获得。
本发明明显地具有许多优点。
压机不需要同时提供压力和热，它可以是一个简单的压机，而又有许多不同的功率特性，能根据所需的层压制件的需要提供充分的压力。
热传递到每一合板的内部，从而能在短时间内使所有构件到达均匀的温度。
大小系列产品都可制造。
热的传递比现有压机要快得多，现有压机的热在传到合板的最内部之前必须要穿透相当的距离。
用混合形式进行加热，在带有吸热结构的合板垛的每一端结合传统的加热盘，工作时间非常短，生产效率自然很高。
工作程序不仅快而且简单，减少了浪费，因而，明显地降低了生产成本。
从下面由附图所图示的实施例中将能更清楚地看出本发明的特征和目的。
图1表示的是带有金属薄层的合板垛处于冷压机中的状态图，所述的金属薄层由铜带制成并叠置成蛇形状。
放置于压机100的上、下板101、102之间的合板垛10是由合板11-14组成的，每一块合板包括带有环氧树脂的玻璃纤维层15。
带有为电绝缘而插入的层片18的钢片40-44放置在一个合板与另一个合板之间。
在下板102上的钢片40上有绝缘材料层18，在其顶部上是第一铜带20的第一部分21，在所说的第一部分21上是聚酯胶片15，在它的顶部是第二铜带30的第一部分31和电绝缘材料层18，所有这些形成第一合板11。
然后放置钢片41和绝缘层18。
在第二条带急转180°形成转弯处32后，它座落于所说的具有带子部分33的层上。
第二聚酯胶片层15放置在带子的部分33上。
在使带子在转弯处22弯转180°后，叠置第一带子20的第二部分23，从而形成第二合板12。
在绝缘层18之后，放置第三块钢片42和另一绝缘层18。
带子20在另一转弯处24弯曲180°，它的第三部分25位于钢片42的上方。
在形成第二个180°的转弯处34后，第二带子30置于第三聚酯胶片层15上，合板13被形成。
最后，第一带子20以其末端26到达合板的顶部，第二带子30以其末端36出现。
在开始形成合板时，带子被连接到连接部分19、29以及导线（51）上。
带子的始端和末端通过各自的连接部分19、29和27、37以及导线51、52连接到电源50上。
压机100开始起动，电路同时闭合，带子20和30作为电加热元件，热如箭头所示到达合板11-14。
伴随有吸热的压力过程于是得以实现。

Claims (9)

1、一种生产特别用于印刷线路的塑料层压制件的生产工艺，用合板(11-14)构成合板垛(10)，每个合板包括高绝缘度的聚酯胶片层(15)(下文中称作“聚酯胶片”)和在聚酯胶片两侧的金属薄层(20-25)特别是铜层(下文中称作“薄层”)，不锈钢片或是其它材料片(40-44)(下文中称作“板片”)被放置于一个合板和另一个合板之间，然后，将它们插入到压机中进行加压和加热，
其特征在于，两薄层是由两条连续的带子(20，30)做成的，第一带子(20)的第一部分(21)被放置于第一合板(11)的聚酯胶片(15)的第一表面上，第二带子(30)的第一部分(31)被放置于第一合板(11)的聚酯胶片(15)的第二表面上，在放置了板片(41)和将带子(30)弯成180°后，第二带子(30)的第二部分(33)放置于板片(41)的第二表面上，第一带子(20)的第二部分(23)放置于第二合板(12)的聚酯胶片(15)的第二表面上，在放置了第二板片(42)和带子弯成180°后，第一带子(20)的第三部分(25)放置于所说的板片(42)的第二表面上，第二带子(30)的第三部分(35)在弯成180°后被放置于第三合板(13)的聚酯胶片(15)的第二表面上，等等，直到合板(11-14)的合板垛(10)的末端、电绝缘体被保留在两条带子(20，30)之间，两条带子(20，30)的首端和末端连接到一适宜的电源(50)上，从而通过在合板(11-14)的合板垛(10)上施加足够的压力和提供由电源(50)供给的电流，使得两条带子(20，30)的各个部分作为电加热元件与合板(11-14)上的每两个表面相匹配，使不同的层(15，20，30)之间紧密相联，从而形成塑料层压件。
2、如权利要求1所述的工艺，其特征在于，提供的高电绝缘层（18）或它的等同物被放置于板片（40-44）和连续的带子（20，30）之间。
3、如权利要求1所述的工艺，其特征在于带子（20，30）是由铜制做的。
4、如权利要求1所述的工艺，其特征在于，带子（20，30）的两端从合板垛（10）的同一侧出来，以容易与电源（50）相连接。
5、如权利要求1所述的工艺，其特征在于，两条带子（20，30）都被交替地弯成180°而放在合板垛（10）中的合板（11-14）的一面和相对的另一面。
6、如权利要求1所述的工艺，其特征在于，合板（11-14）的合板垛（10）上的压力是通过将所说的合板垛（10）放入到一冷压机（100）的内部而获得的。
7、如权利要求1所述的工艺，其特征在于，合板（11-14）的合板垛（10）上的压力是通过将所说的合板垛（10）放入到一热压器中而获得的。
8、如权利要求1所述的工艺，其特征在于每一合板垛（10）被放入到一个带有上、下盘的模子中，该模子的上、下盘由支承销和导引销连接，所需压力是通过将所说的模子放入到一冷压机中来获得的。
9、如权利要求1所述的工艺，其特征在于，每一合板垛被放入到一个带有上、下盘的模子中，该模子的上、下盘由支承销的导引销连接，所需压力是通过将所说的模子放入到一热压器中来获得的。
CN94102783A 1993-02-10 1994-02-09 使用双金属带生产印刷线路用的带有金属薄层的层压塑料的方法 Expired - Lifetime CN1051280C (zh)

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ITMI930224 IT1271942B (it) 1993-02-10 1993-02-10 Procedimento per la produzione di laminati plastici con lamine metalliche in spcie per circuiti stampanti con lamine a doppio nastro.

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CN110831354A (zh) * 2019-11-15 2020-02-21 莆田市涵江区依吨多层电路有限公司 一种基于盲钻和元器件内压的多层板生产方法

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CN103429014B (zh) * 2013-07-31 2016-12-07 徐俊子 一种多层板层压装置
CN110831354A (zh) * 2019-11-15 2020-02-21 莆田市涵江区依吨多层电路有限公司 一种基于盲钻和元器件内压的多层板生产方法

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EP0683716B1 (en) 1997-07-16
JP2794614B2 (ja) 1998-09-10
CN1051280C (zh) 2000-04-12
ATE155387T1 (de) 1997-08-15
CA2154446A1 (en) 1994-08-18
EP0683716A1 (en) 1995-11-29
ITMI930224A1 (it) 1994-08-10
GR3025013T3 (en) 1998-01-30
JPH08506289A (ja) 1996-07-09
ITMI930224A0 (it) 1993-02-10
DK0683716T3 (da) 1998-02-23
DE69312325T2 (de) 1998-01-29
US5688352A (en) 1997-11-18
DE69312325D1 (de) 1997-08-21
AU4042893A (en) 1994-08-29
WO1994017976A1 (en) 1994-08-18
CA2154446C (en) 1998-12-15
KR100256140B1 (ko) 2000-05-15
ES2106346T3 (es) 1997-11-01
IT1271942B (it) 1997-06-10

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