JP2742116B2 - Manufacturing method of laminated board - Google Patents
Manufacturing method of laminated boardInfo
- Publication number
- JP2742116B2 JP2742116B2 JP32051289A JP32051289A JP2742116B2 JP 2742116 B2 JP2742116 B2 JP 2742116B2 JP 32051289 A JP32051289 A JP 32051289A JP 32051289 A JP32051289 A JP 32051289A JP 2742116 B2 JP2742116 B2 JP 2742116B2
- Authority
- JP
- Japan
- Prior art keywords
- laminate
- twisted
- twist
- prepregs
- manufacturing
- 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.)
- Expired - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000011521 glass Substances 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims 1
- 239000003822 epoxy resin Substances 0.000 description 7
- 229920000647 polyepoxide Polymers 0.000 description 7
- 239000000758 substrate Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、そり、ねじれの発生の少ない積層板の製造
方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for producing a laminated board with less warpage and twist.
近年、プリント配線板は、配線密度が高くなると共に
加工工程の自動化が進み、そり、ねじれの抑制に対して
厳しい要求がなされている。しかしながら、プリント配
線板の基板である積層板は、基材や樹脂の持つ歪みによ
りそり、ねじれを生じる。従来よりそり、ねじれについ
て積層板成形時の生産条件による検討がなされており、
ある程度の改良がなされているが、未だ十分でない。In recent years, as the wiring density of printed wiring boards has increased, automation of processing steps has progressed, and strict requirements have been placed on suppression of warpage and torsion. However, a laminate, which is a substrate of a printed wiring board, is warped and twisted due to distortion of the base material and the resin. Conventionally, warpage and torsion have been studied according to the production conditions at the time of forming a laminate.
Some improvements have been made, but not enough.
従来、ガラスクロスは、Ｓ方向（右巻き）とＺ方向
（左巻き）のどちらか一方の捻り方向を持つクロス単糸
に統一して織られていた。このためガラスクロスは一定
方向にねじられた歪みを持ち、これを基材とした積層板
はそり、ねじれを生じる欠点があった。Conventionally, a glass cloth has been unified into a single cloth having a twist direction in one of the S direction (right winding) and the Z direction (left winding). For this reason, the glass cloth has a distortion twisted in a certain direction, and a laminate using the substrate as a substrate has a disadvantage of warping and twisting.
本発明の目的とするところは、プリプレグの基材構成
に検討によってそり、ねじれの小さい積層板を提供する
ことにある。An object of the present invention is to provide a laminated board with a small twist by examining the configuration of the base material of the prepreg.
本発明は、熱硬化性樹脂を基材に含浸乾燥して得たプ
リプレグを所定枚数重ね加熱加圧して積層板を成形する
方法において、前記プリプレグの基材として、捻り方向
の相反したクロス単糸を交互に組み合わせて織ったガラ
スクロスを用いることにより、成形された積層板のそ
り、ねじれを小さくするものである。The present invention relates to a method of forming a laminate by laminating a predetermined number of prepregs obtained by impregnating and drying a base material with a thermosetting resin and heating and pressurizing the laminate, wherein the base material of the prepreg is a cross single yarn having a twisted direction. Are used in combination to reduce the warpage and twist of the formed laminate.
これは捻りの方向を交互に逆にすることにより、捻り
によるガラスクロスの歪みが相殺されるからである。This is because by alternately reversing the twisting direction, the distortion of the glass cloth due to the twisting is offset.
以下、本発明を使用するガラスクロスを中心に説明す
る。Hereinafter, the glass cloth using the present invention will be mainly described.
（Ｉ） Ｓ捻りとＺ捻りの単糸を縦糸横糸共に交互に組
み合せたガラスクロスにエポキシ樹脂を含浸乾燥したプ
リプレグを重ね合わせ加熱加圧する。(I) A prepreg impregnated and dried with an epoxy resin is overlaid on a glass cloth in which S-twisted and Z-twisted single yarns are alternately combined with both warp and weft, and heated and pressed.
（II） 縦糸のみＳ捻りとＺ捻りの単糸を交互に組み合
わせたガラスクロスを用いて、上記（Ｉ）と同様にして
積層板を成形する。(II) A laminated board is formed in the same manner as in (I) above, using a glass cloth in which only S warp and Z twist single yarns are alternately combined.
（III） Ｓ捻りとＺ捻りの単糸を縦糸横糸共に交互に
組合せたガラスクロスにエポキシ樹脂を含浸乾燥したプ
リプレグを得、このガラスクロスプリプレグを複合積層
板の表面材とし、中心材としてガラス不織布にエポキシ
樹脂を含浸したプリプレグを使用し加熱加圧する。(III) A prepreg obtained by impregnating and drying an epoxy resin in a glass cloth obtained by alternately combining S-twisted and Z-twisted single yarns for both warp and weft yarns is used. Is heated and pressurized using a prepreg impregnated with an epoxy resin.
（IV） 縦糸のみＳ捻りとＺ捻りの単糸を交互に組み合
せたガラスクロスを用いて、上記（III）と同様にして
複合積層板を成形する。(IV) A composite laminate is formed in the same manner as in (III) above, using a glass cloth in which only the warp yarns are S-twisted and Z-twisted single yarns alternately combined.
次に、実施例により本発明を説明する。 Next, the present invention will be described with reference to examples.
（１） プリプレグの調製 （プリプレグＡ及びＤ） Ｓ捻りとＺ捻りの単糸を縦糸横糸共に交互に組合わせ
た厚さ100μｍ及び180μｍのガラスクロスにそれぞれエ
ポキシ樹脂を含浸し、樹脂分43％のプリプレグＡ及びＣ
を得た。(1) Preparation of prepreg (prepregs A and D) Epoxy resin was impregnated into glass cloths having a thickness of 100 μm and 180 μm, in which S-twisted and Z-twisted single yarns were alternately combined with warp and weft, respectively. Prepreg A and C
I got
（プリプレグＢ及びＤ） 縦糸のみＳ捻りとＺ捻りの単糸を交互に組合わせた厚
さ100μｍ及び180μｍのガラスクロスにそれぞれエポキ
シ樹脂を含浸し、樹脂分43％のプリプレグＢ及びＥを得
た。(Prepregs B and D) Epoxy resin was impregnated into glass cloths having a thickness of 100 μm and 180 μm, respectively, in which S warp and Z twist single yarns were alternately combined only for the warp yarns to obtain prepregs B and E having a resin content of 43%. .
（プリプレグＧ） 坪量75g/m2のガラス不織布にエポキシ樹脂を含浸し、
樹脂分50％のプリプレグＧを得た。(Prepreg G) Impregnating a non-woven glass fabric with a basis weight of 75 g / m 2 with epoxy resin,
Prepreg G having a resin content of 50% was obtained.
（プリプレグＣ及びＦ） Ｓ捻り又はＺ捻りの一方の単糸のみで縦糸横糸共に織
った厚さ100μｍ及び180μｍのガラスクロスにそれぞれ
エポキシ樹脂を含浸し、樹脂分43％のプリプレグＣ及び
Ｆを得た。(Prepregs C and F) Epoxy resin is impregnated into 100 μm and 180 μm thick glass cloths woven together with warp and weft with only one single yarn of S twist or Z twist, respectively, to obtain prepregs C and F with a resin content of 43%. Was.
（２） 積層板の成形 （実施例1,2、比較例１） プリプレグＡ、Ｂ及びＣをそれぞれ単独で３枚重ね合
わせ、常法により加熱加圧成形して、積層板Ａ、Ｂ及び
Ｃを得た。(2) Molding of Laminated Plates (Examples 1, 2, Comparative Example 1) Three prepregs A, B and C were each independently laminated, heated and pressed by a conventional method, and laminated plates A, B and C were formed. I got
（実施例3,4、比較例２） プリプレグＤ、Ｅ及びＦそれぞれ２枚を上下表面層と
し、中心層としてそれぞれプリプレグG3枚を使用し、こ
れらを重ね合わせ、常法により加熱加圧成形して複合積
層板Ｄ、Ｅ及びＦを得た。(Examples 3, 4 and Comparative Example 2) Two prepregs D, E, and F were used as upper and lower surface layers, respectively, and three prepregs G were used as a central layer. Thus, composite laminates D, E and F were obtained.
上述のようにして得た積層板を400×500mmの大きさの
試料片に切断し、常態と加熱処理後のそり、ねじれを定
盤上平置きにて測定した。そりは板の最大持ち上がり値
を測定し、ねじれは表裏のそり値の和として示した。処
理としては、試料に簡易パターンを印刷エッチング後乾
燥温度150℃にて30分加熱した。The laminate obtained as described above was cut into sample pieces having a size of 400 × 500 mm, and the warpage and torsion in a normal state and after the heat treatment were measured on a surface plate. The warpage measured the maximum lifting value of the plate, and the twist was shown as the sum of the front and back warpage values. In the treatment, a simple pattern was printed and etched on the sample and heated at a drying temperature of 150 ° C. for 30 minutes.
結果については、最大値を第１表及び第２表に示す。 The maximum values are shown in Tables 1 and 2.
〔発明の効果〕 本発明の方法により得られた積層板は、基材として捻
り方向が異なる単糸を交互に組合わせたガラスクロスを
使用しているので、反り、ねじれが改良され、原料段階
での検討による成果として有意義である。 [Effect of the Invention] Since the laminated board obtained by the method of the present invention uses a glass cloth in which single yarns having different twisting directions are alternately combined as a base material, warpage and twist are improved, and the raw material stage is improved. It is significant as a result of the examination in the above.
従って、近年の高密度配線のための回路基板として有
用である。Therefore, it is useful as a circuit board for recent high-density wiring.
Claims (1)
リプレグを所定枚数重ね加熱加圧して積層板を成形する
方法において、前記プリプレグの基材として、捻り方向
の相反したクロス単糸を交互に組み合わせて織ったガラ
スクロスを用いることを特徴とする積層板の製造方法。1. A method of forming a laminate by laminating a predetermined number of prepregs obtained by impregnating and drying a base material with a thermosetting resin, and forming a laminate by heating and pressing. A method for manufacturing a laminate, comprising using a glass cloth woven by alternately combining yarns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32051289A JP2742116B2 (en) | 1989-12-12 | 1989-12-12 | Manufacturing method of laminated board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32051289A JP2742116B2 (en) | 1989-12-12 | 1989-12-12 | Manufacturing method of laminated board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03183188A JPH03183188A (en) | 1991-08-09 |
| JP2742116B2 true JP2742116B2 (en) | 1998-04-22 |
Family
ID=18122276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32051289A Expired - Lifetime JP2742116B2 (en) | 1989-12-12 | 1989-12-12 | Manufacturing method of laminated board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2742116B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5435877A (en) * | 1992-05-07 | 1995-07-25 | Mitsubishi Gas Chemical Company, Inc. | Process for the production of copper-clad laminate |
-
1989
- 1989-12-12 JP JP32051289A patent/JP2742116B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03183188A (en) | 1991-08-09 |
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