JPH05129740A - Glass fabric for printed wiring board use - Google Patents
Glass fabric for printed wiring board useInfo
- Publication number
- JPH05129740A JPH05129740A JP3321228A JP32122891A JPH05129740A JP H05129740 A JPH05129740 A JP H05129740A JP 3321228 A JP3321228 A JP 3321228A JP 32122891 A JP32122891 A JP 32122891A JP H05129740 A JPH05129740 A JP H05129740A
- Authority
- JP
- Japan
- Prior art keywords
- fabric
- woven
- glass fabric
- ears
- warp
- 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.)
- Granted
Links
Landscapes
- Treatment Of Fiber Materials (AREA)
- Woven Fabrics (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はプリント基板用ガラス織
物に係り、更に詳しくは、耳部をほつれ止めする際、そ
の耳部が織地部よりも耳高にならないプリント基板用ガ
ラス織物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass fabric for a printed circuit board, and more particularly to a glass fabric for a printed circuit board in which when the ears are not frayed, the ears do not become higher than the woven portion.
【０００２】[0002]
【従来の技術】プリント配線基板用ガラス織物の耳部の
ほつれ止めをしたものとしては、織地部と同じ構成であ
る耳部にほつれ防止剤を塗布し、乾燥後その耳部の外端
を切除する方法（特開昭５２−３４０９４号公報）が知
られている。2. Description of the Related Art As an anti-fraying agent for glass woven fabrics for printed wiring boards, an anti-fraying agent is applied to the ears, which has the same structure as the woven fabric, and the outer ends of the ears are cut off after drying. A method (Japanese Patent Laid-Open No. 52-34094) is known.
【０００３】しかしこの方法で得られる長尺のガラス織
物をロール巻きにすると、耳部が織地部よりも肉厚のた
め、捲回量が多くなればなる程耳高となり、耳部近くで
の織地部の緯糸に目曲りが発生し、品質が低下するとい
った欠点があった。However, when the long glass woven fabric obtained by this method is rolled, the ear portion is thicker than the woven portion. Therefore, the higher the winding amount is, the higher the ear height becomes, and the ear portion becomes closer to the ear portion. There is a defect that the weft yarn in the woven fabric portion is bent and the quality is deteriorated.
【０００４】更に、上述の如きガラス織物から得られた
プリプレグは、所望の長さに切断し積み重ねた時に耳高
のため、その中程が湾曲し、自動機械による搬送の際、
トラブルを発生し易いという欠点があった。Further, the prepreg obtained from the glass fabric as described above is curved in the middle due to the height of the ears when cut to a desired length and stacked, and when it is conveyed by an automatic machine,
There was a drawback that troubles were likely to occur.
【０００５】一方、ほつれ防止剤の塗布量をロール巻き
したときに耳高を生じない程度にまで減少すれば、ほつ
れ防止効果が不十分となり、織物をロール巻きした際や
織物に樹脂を含浸し乾燥する際に、切断端部の経糸にほ
つれが発生し、この部分がロールに絡まったり、あるい
はプリプレグ中に混入したりする不具合を生じていた。On the other hand, if the application amount of the anti-raveling agent is reduced to such an extent that the height of the ears does not occur when rolled, the anti-raveling effect becomes insufficient, and when the woven fabric is rolled or the woven fabric is impregnated with resin. During drying, the warp yarns at the cut ends were frayed, and this part was entangled with the roll or mixed in the prepreg.
【０００６】かかる欠点を改善したものとしては、両側
の耳部の経糸を織地部経糸よりも細い経糸を使用し、且
つ織地部よりも経糸密度を高くして耳部が織地部より薄
いガラス織物を製織し、この薄い耳部にほつれ防止剤を
耳部が織地部と略同厚になるように塗布せしめたプリン
ト配線基板用ガラス織物（特開昭６１−１８８９９２号
公報）が公知である。As a solution to the above drawbacks, a glass fabric is used in which the warps of the ears on both sides are thinner than those of the woven fabric, and the warp density is higher than that of the woven fabric so that the ears are thinner than the woven fabric. There is known a glass fabric for printed wiring boards (Japanese Patent Laid-Open No. 61-188992) in which the anti-fray agent is applied to the thin selvage so that the selvage is approximately the same thickness as the weave.
【０００７】しかしながら上記織物は、ロール巻きとし
た際に、耳部経糸と織地部経糸との番手違いによりテン
ションバランスが異なることになる。このため、各加工
工程において耳部近くでのシワや布目曲り等が生じ易い
という問題点があった。However, when the above-mentioned woven fabric is rolled, the tension balance is different due to the difference in the counts of the selvage warp and the fabric warp. For this reason, there is a problem that wrinkles near the ears and bending of the fabric are likely to occur in each processing step.
【０００８】[0008]
【発明が解決しようとする課題】本発明者等は、鋭意研
究した結果、耳部の経糸に織地部の経糸よりも撚数の少
ないものを用いることで織地部よりも薄い耳部を有する
織物が得られ、上述の問題点が解消できることを見出し
たものである。DISCLOSURE OF THE INVENTION As a result of intensive studies, the inventors of the present invention have found that a woven fabric having an ear portion thinner than the fabric portion by using a warp yarn having a smaller twist number than the warp yarn of the fabric portion It was found that the above problems can be solved.
【０００９】本発明の目的は、耳部のほつれ止めをした
ものであって、その耳部が織地部より耳高にならず、ロ
ール巻きをしても耳部近くにシワや布目曲りを生ずるこ
とのないプリント配線基板用ガラス織物を提供するにあ
る。An object of the present invention is to prevent fraying of the ears. The ears do not reach the height of the ears more than the woven part, and even when wound in a roll, wrinkles and warp are formed near the ears. It is to provide a glass fabric for a printed wiring board which does not exist.
【００１０】[0010]
【課題を解決するための手段】本発明のプリント配線基
板用ガラス織物は、両側の耳部の経糸として、織地部の
経糸と同一番手で且つ織地部の経糸よりも撚り数の少な
いガラス繊維を用い、耳部を織地部よりも薄い織組織に
構成し、該耳部にほつれ防止剤を耳部と織地部とが略同
厚となるよう施与したことを特徴とするものである。The glass fabric for a printed wiring board according to the present invention comprises a glass fiber having the same count as the warp of the woven portion and having a smaller number of twists than the warp of the woven portion as the warp of the selvages on both sides. It is characterized in that the selvage portion is used to have a woven structure thinner than the woven material portion, and the anti-fray agent is applied to the selvage portion so that the selvage portion and the woven material portion have substantially the same thickness.
【００１１】本発明においては、耳部の経糸の撚数を織
地部の経糸の撚り数よりも少なくすることで、耳部を織
地部より薄い織物としたものである。According to the present invention, the number of twists of the warp yarns in the selvage portion is set to be smaller than the number of twists of the warp yarns in the fabric portion so that the selvage portion is thinner than the fabric portion.
【００１２】即ち、耳部の経糸は織地部の経糸よりも撚
り数が少ないため、耳部の経糸の断面形状は織地部の経
糸の断面形状に比べより偏平な楕円状となる。従って、
上述の如き構成としたガラス織物は、耳部が必ず織地部
よりも薄くなるのである。That is, since the warp of the selvage has a smaller number of twists than the warp of the fabric, the cross-sectional shape of the warp of the selvage is a flattened elliptical shape as compared with the cross-sectional shape of the warp of the fabric. Therefore,
In the glass fabric having the above-mentioned structure, the selvages are always thinner than the woven fabric.
【００１３】この薄くなった耳部にほつれ防止剤を塗布
するから、耳部が織地部より肉厚になることがなく、か
かるガラス織物をロール巻きにした場合、耳高によるシ
ワや布目曲りを生ずるといったことがない。また、耳部
の経糸は撚り数が少ないため、ほつれ防止剤の経糸に対
する含浸性が良好となり、ほつれ防止効果を従来品以上
に発揮するものである。Since the anti-raveling agent is applied to the thinned ears, the ears do not become thicker than the woven part, and when such a glass fabric is rolled, wrinkles and warp due to the height of the ears are caused. It never happens. Further, since the warp yarns in the selvage have a small number of twists, the impregnation property of the anti-raveling agent with respect to the warp yarns becomes good, and the anti-raveling effect is exerted more than the conventional product.
【００１４】本発明において、耳部の経糸は織地部の経
糸と同一番手で且つ同一密度となるよう構成されてい
る。従って、耳部の経糸と織地部の経糸のテンションバ
ランスが極めて良好なため、ロール巻きをした後の加工
工程においても、これを原因とする耳部近くでのシワや
布目曲りが発生することがないのである。In the present invention, the warp yarns of the selvage portion are configured to have the same count and the same density as the warp yarns of the woven fabric portion. Therefore, because the tension balance between the warp yarns of the selvages and the warp yarns of the woven fabric is extremely good, wrinkles and warpage of the warps near the selvages due to this may occur even in the processing step after rolling. There is no.
【００１５】本発明に用いるほつれ防止剤とは、織物を
切断した場合にその切り口のほつれを防止するようなも
のであって、プリント配線基板用の樹脂含浸時に使用す
る溶剤に殆ど溶解せず、また含浸織物の乾燥温度におい
て軟化しない接着剤であればよい。The anti-fray agent used in the present invention is such as to prevent fraying of the cut end when the fabric is cut, and it hardly dissolves in the solvent used for impregnating the resin for the printed wiring board, Any adhesive may be used as long as it does not soften at the drying temperature of the impregnated fabric.
【００１６】ほつれ防止剤の塗布は、上記耳部の切断前
でも切断後でもよく、塗布方法は溶液型塗布またはホッ
トメルト型塗布等適宜都合の良い方法で行えばよい（図
１中二点鎖線が切断位置である。）。The anti-fray agent may be applied before or after the cutting of the ears, and the application method may be any convenient method such as solution type application or hot melt type application (two-dot chain line in FIG. 1). Is the cutting position.)
【００１７】ほつれ防止剤の塗布量は、撚り数の少ない
ガラス繊維を使用した耳部に実用上充分なほつれ防止効
果を奏する量であって、且つほつれ防止剤を塗布した耳
部の厚さを織地部の厚さと実質的に同一厚さとなるよう
な量である。The amount of the anti-raveling agent applied is such that the anti-raveling agent is applied to the ears using glass fibers having a small number of twists and the thickness of the ears applied with the anti-raveling agent is sufficient. The amount is substantially the same as the thickness of the woven portion.
【００１８】[0018]
【実施例】以下、実施例により本発明を具体的に説明す
る。EXAMPLES The present invention will be specifically described below with reference to examples.
【００１９】実施例 プリント配線基板用ガラス織物を以下の方法で製織し
た。整経機で織地部用の経糸にＥＣＧ７５−１／０
１．０Ｚヤーン（ＥはＥガラス、Ｃは長繊維、Ｇは番
手、Ｚは撚方向である）を２１７２本、耳部用の経糸に
ＥＣＧ７５−１／０ ０．７Ｚのヤーンを４０本使用し
てワープビームに巻き取った。Example A glass fabric for a printed wiring board was woven by the following method. ECG75-1 / 0 for warp yarns for fabrics with a warper
2172 yarns of 1.0Z yarn (E is E glass, C is long fiber, G is count, Z is twist direction), and 40 yarns of ECG75-1 / 0 0.7Z are used as warp yarns for ears. Then I wound it up on a warp beam.
【００２０】このワープビームを無杼織機に仕掛け、緯
糸にＥＣＧ７５−１／００．７Ｚのヤーンを使用して製
織した。上記織物を３６０℃で６５時間ヒートクリーニ
ングした後、γ−グリシドオキシプロピルトリメトキシ
シランの０．１％水溶液で処理し乾燥した。This warp beam was set on a shuttleless loom and woven using ECG75-1 / 00.7Z yarn for the weft. The above woven fabric was heat-cleaned at 360 ° C. for 65 hours, treated with a 0.1% aqueous solution of γ-glycidoxypropyltrimethoxysilane, and dried.
【００２１】次に、前記織物の耳部に帯状にほつれ防止
剤としてポリエーテルイミド樹脂を４％塩化メチレン溶
液で塗布し乾燥した。ほつれ防止剤の塗布幅は約８ｍｍ
で樹脂付着量は５％であった。Then, a polyetherimide resin as a fray-preventing agent was applied to the selvages of the woven fabric in a 4% methylene chloride solution and dried. Application width of anti-fray agent is about 8mm
The resin adhesion amount was 5%.
【００２２】続いて、ほつれ防止剤塗布帯の中央付近を
スリッターでカットし、本発明のプリント配線基板用ガ
ラス織物を得た。Subsequently, the vicinity of the center of the anti-raveling agent coating band was cut with a slitter to obtain a glass fabric for a printed wiring board of the present invention.
【００２３】得られたプリント配線基板用ガラス織物の
ほつれ防止効果を見るために、切断した耳部最端部の経
糸の引きはがしテストをしたが、目止め力が強くその糸
は切断した。In order to examine the effect of preventing the obtained glass fabric for printed wiring boards from being frayed, a tearing test of the cut warp at the outermost end of the selvage was carried out.
【００２４】またこの織物を紙管にショアー硬度約８０
で４０００ｍロール巻きしたが、ほつれ及び耳高シワ、
布目曲りなどは全く生じなかった。This woven fabric is applied to a paper tube to have a Shore hardness of about 80.
It was rolled for about 4000m, but it was frayed and wrinkled.
No bending of the texture occurred at all.
【００２５】更に、上記織物にエポキシ樹脂を含浸し、
乾燥して樹脂含量４２％のプリプレグを作製した。Further, the above fabric is impregnated with an epoxy resin,
It was dried to prepare a prepreg having a resin content of 42%.
【００２６】比較例 緯糸としてＥＣＧ７５−１／０ ０．７Ｚのヤーンを使
用し、経糸として織地部と耳部がともにＥＣＧ７５−１
／０ １．０Ｚのヤーンを使用して、無杼織機で製織し
た。このガラス織物は、織地部と耳部の経糸の撚り数が
ともに１．０Ｚで同一であった。Comparative Example A yarn of ECG75-1 / 0 0.7Z is used as a weft, and ECG75-1 is used as a warp for both the fabric portion and the selvage portion.
/ 0 1.0Z yarn was used and woven on a shuttleless loom. In this glass woven fabric, the number of twists of the warp yarns in the woven portion and the selvage portion were both 1.0 Z, which were the same.
【００２７】次に、この織物の耳部に実施例と同様にし
てほつれ防止剤を塗布し、耳部をスリッターでカットし
てプリント配線基板用ガラス織物を得た。尚、ほつれ防
止剤の樹脂付着量は４％であった。Next, the anti-fraying agent was applied to the ears of this woven fabric in the same manner as in the example, and the ears were cut with a slitter to obtain a glass woven fabric for printed wiring boards. The resin adhesion amount of the anti-raveling agent was 4%.
【００２８】得られたガラス織物を紙管にショアー硬度
８０でロール巻きしたところ、耳高によるシワ及び布目
曲りが発生した。When the obtained glass woven fabric was wound around a paper tube with a Shore hardness of 80, wrinkles and texture bending due to the height of the ears occurred.
【００２９】上記ガラス織物にエポキシ樹脂を含浸し、
乾燥して樹脂含量４２％のプリプレグを作製した。The above glass fabric is impregnated with epoxy resin,
It was dried to prepare a prepreg having a resin content of 42%.
【００３０】以上の実施例と比較例とを対比した結果
は、表１の通りであった。The results of comparison between the above examples and comparative examples are shown in Table 1.
【００３１】[0031]
【表１】 [Table 1]
【００３２】[0032]
【発明の効果】本発明のプリント配線基板用ガラス織物
は、耳部がほつれることなく、また耳部が織地部よりも
耳高ではないため、これをロール巻きした場合に、耳部
にシワや布目曲りを生ずることはない。更に、経糸の耳
部と織地部のテンションバランスが良いため、加工工程
においても耳部近くにシワや布目曲り等を生ずることが
ない。EFFECTS OF THE INVENTION The glass fabric for printed wiring boards of the present invention does not have frayed ears and the ears are not higher than the woven part. Therefore, when the woven fabric is rolled, wrinkles are formed on the ears. It does not cause the bending of the texture. Furthermore, since the tension balance between the selvages of the warp and the woven fabric is good, wrinkles, warp, etc. do not occur near the selvages even in the processing step.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の一実施例の耳部の拡大断面説明図であ
る。FIG. 1 is an enlarged cross-sectional explanatory view of an ear portion according to an embodiment of the present invention.
１ 耳部 ２ 耳部経糸 ３ 織地部 ４ 織地部経糸 ５ 緯糸 ６ ほつれ防止剤 1 Ear part 2 Ear part warp 3 Woven part 4 Woven part warp 5 Weft 6 Anti-fray agent
Claims (1)
て、両側の耳部の経糸として、織地部の経糸と同一番手
で且つ織地部の経糸よりも撚り数の少ないガラス繊維を
用い、耳部を織地部よりも薄い織組織に構成し、該耳部
にほつれ防止剤を耳部と織地部とが略同厚となるよう施
与したことを特徴とするプリント配線基板用ガラス織
物。1. A glass fabric for a printed wiring board, wherein glass fibers having the same count as the warp yarns of the woven fabric portion and having a smaller number of twists than the warp yarns of the woven fabric portion are used as the warp yarns on both sides. A glass fabric for a printed wiring board, characterized in that it has a woven structure thinner than that of the woven portion, and that the anti-fray agent is applied to the ears so that the ears and the woven portion have substantially the same thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3321228A JP3020700B2 (en) | 1991-11-07 | 1991-11-07 | Glass fabric for printed wiring boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3321228A JP3020700B2 (en) | 1991-11-07 | 1991-11-07 | Glass fabric for printed wiring boards |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05129740A true JPH05129740A (en) | 1993-05-25 |
| JP3020700B2 JP3020700B2 (en) | 2000-03-15 |
Family
ID=18130244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3321228A Expired - Fee Related JP3020700B2 (en) | 1991-11-07 | 1991-11-07 | Glass fabric for printed wiring boards |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3020700B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201424466A (en) | 2012-09-28 | 2014-06-16 | Mevion Medical Systems Inc | Magnetic field regenerator |
| US9730308B2 (en) | 2013-06-12 | 2017-08-08 | Mevion Medical Systems, Inc. | Particle accelerator that produces charged particles having variable energies |
-
1991
- 1991-11-07 JP JP3321228A patent/JP3020700B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3020700B2 (en) | 2000-03-15 |
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