JP2003136487A - Method for punching double-coated adhesive sheet - Google Patents
Method for punching double-coated adhesive sheetInfo
- Publication number
- JP2003136487A JP2003136487A JP2001341525A JP2001341525A JP2003136487A JP 2003136487 A JP2003136487 A JP 2003136487A JP 2001341525 A JP2001341525 A JP 2001341525A JP 2001341525 A JP2001341525 A JP 2001341525A JP 2003136487 A JP2003136487 A JP 2003136487A
- Authority
- JP
- Japan
- Prior art keywords
- release paper
- adhesive layer
- sensitive adhesive
- double
- pressure
- 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
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Adhesive Tapes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、両面粘着シートの
型抜き方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a die-cutting method for a double-sided PSA sheet.
【０００２】[0002]
【従来の技術】従来の両面粘着シートの型抜き方法は、
図18に示すように、第一剥離紙26の一面27に粘着層28が
積層された片面剥離紙両面粘着シート29の粘着層28に第
二剥離紙30を積層した状態のシート体を型抜きする方法
が知られている。2. Description of the Related Art A conventional method for removing a double-sided pressure-sensitive adhesive sheet is
As shown in FIG. 18, the sheet body in which the second release paper 30 is laminated on the adhesive layer 28 of the single-sided release paper double-sided adhesive sheet 29 in which the adhesive layer 28 is laminated on the one surface 27 of the first release paper 26 is die-cut. It is known how to do it.
【０００３】[0003]
【発明が解決しようとする課題】しかし、図19に示すよ
うに、第二剥離紙30の被粘着面31は、フラットな平坦面
であって、型抜き後に第二剥離紙30を剥離する際、細い
帯部32が、第一剥離紙26上に残らず、第二剥離紙30に粘
着されたままめくれて粘着層28の形状が歪んでしまう虞
れがあった。また、型抜きの際に、位置ずれする虞れが
あった。However, as shown in FIG. 19, the surface 31 to be adhered of the second release paper 30 is a flat flat surface, and when the second release paper 30 is released after die cutting. However, there is a possibility that the thin strip portion 32 does not remain on the first release paper 26 and is turned over while being adhered to the second release paper 30 and the shape of the adhesive layer 28 is distorted. In addition, there is a risk of misalignment during die cutting.
【０００４】そこで、本発明は、簡単にかつ確実に剥離
することができる両面粘着シートの型抜き方法を提供す
ることを目的とする。また、片面剥離紙両面粘着シート
を高精度の寸法形状に、巧妙に、美しくカットすること
ができる両面粘着シートの型抜き方法を提供することを
他の目的とする。Therefore, an object of the present invention is to provide a method of die-cutting a double-sided pressure-sensitive adhesive sheet which can be peeled easily and surely. Another object of the present invention is to provide a method for die-cutting a double-sided pressure-sensitive adhesive sheet, which is capable of delicately and beautifully cutting the single-sided release paper double-sided pressure-sensitive adhesive sheet into a highly precise dimension and shape.
【０００５】[0005]
【課題を解決するための手段】上述の目的を達成するた
めに、本発明に係る両面粘着シートの型抜き方法は、基
本剥離紙の一面に粘着層が積層された片面剥離紙両面粘
着シートの上記粘着層を型抜きする方法に於て、連続状
小突条によって多数の独立した小凹部を有する仮剥離紙
を、上記両面粘着シートの上記粘着層に押圧して積層し
てサンドイッチシート体を作製し、次に、該サンドイッ
チシート体の上記仮剥離紙と同時に粘着層を窓部付きの
所定形状に切断し、次に、カス部を上記基本剥離紙から
除去して型抜きする方法である。In order to achieve the above-mentioned object, a method of die-cutting a double-sided pressure-sensitive adhesive sheet according to the present invention is a single-sided release paper double-sided pressure-sensitive adhesive sheet in which an adhesive layer is laminated on one side of a basic release paper. In the method of die-cutting the pressure-sensitive adhesive layer, a temporary release paper having a large number of independent small recesses by continuous small ridges is pressed and laminated on the pressure-sensitive adhesive layer of the double-sided pressure-sensitive adhesive sheet to form a sandwich sheet body. It is a method of producing and then cutting the adhesive layer at the same time as the temporary release paper of the sandwich sheet body into a predetermined shape with a window portion, and then removing the dregs from the basic release paper and die-cutting. ..
【０００６】また、基本剥離紙の一面に粘着層が積層さ
れた片面剥離紙両面粘着シートの上記粘着層を型抜きす
る方法に於て、連続状小突条によって多数の独立した小
凹部を有する仮剥離紙を、上記両面粘着シートの上記粘
着層に押圧して積層してサンドイッチシート体を作製
し、次に、該サンドイッチシート体を窓部付きの所定形
状に切断し、次に、カス部を除去して型抜きする方法で
ある。Further, in a method of die-cutting the above-mentioned adhesive layer of a single-sided release paper double-sided adhesive sheet in which an adhesive layer is laminated on one side of a basic release paper, a large number of independent small recesses are formed by continuous small ridges. Temporary release paper is pressed against the pressure-sensitive adhesive layer of the double-sided pressure-sensitive adhesive sheet to be laminated to produce a sandwich sheet body, and then the sandwich sheet body is cut into a predetermined shape with a window portion, and then a scrap portion. It is a method of removing and removing the mold.
【０００７】また、仮剥離紙の小凹部の縦横寸法を0.05
mm≦Ｗ≦3.0 mmとし、かつ、該小凹部の深さを３μm ≦
Ｈ≦50μm とし、小突条の幅寸法を0.01mm≦Ｔ≦0.50mm
とした方法である。Further, the vertical and horizontal dimensions of the small recesses of the temporary release paper are 0.05.
mm ≦ W ≦ 3.0 mm, and the depth of the small recess is 3 μm ≦
H ≦ 50μm, the width of the small ridge is 0.01mm ≦ T ≦ 0.50mm
And the method.
【０００８】[0008]
【発明の実施の形態】以下、実施の形態を示す図面に基
づき、本発明を詳説する。BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below in detail with reference to the drawings showing the embodiments.
【０００９】図１の全体簡略図及び図２の要部拡大断面
図に於て、基本剥離紙１の一面１ａに粘着層２が積層さ
れたロール状の片面剥離紙両面粘着シート３を示す。粘
着層２は、内部に芯材２ａを有する。芯材２ａは、不織
布、ＰＥＴフィルム等から成る。In the overall simplified view of FIG. 1 and the enlarged cross-sectional view of the main part of FIG. 2, a roll-shaped single-sided release paper double-sided adhesive sheet 3 in which an adhesive layer 2 is laminated on one surface 1a of a basic release paper 1 is shown. The adhesive layer 2 has a core material 2a inside. The core material 2a is made of non-woven fabric, PET film or the like.
【００１０】次に、両面粘着シートの型抜き方法の第１
の実施の形態について、説明する。まず、図３〜図５に
示すような連続状小突条４によって多数の独立した小凹
部５…を有する仮剥離紙６を、（ロール状の）両面粘着
シート３を引き出しつつその粘着層２に押圧して、図６
に示すように、積層してサンドイッチシート体７を作製
する。仮剥離紙６は、天然紙、合成フィルム等から成
る。そして、連続状小突条４としては正方形の格子状と
し、従って、小凹部５は小さな正方形である。その後、
サンドイッチシート体７を枚葉にカットする。Next, the first method of die-cutting a double-sided adhesive sheet
The embodiment will be described. First, a temporary release paper 6 having a large number of independent small recesses 5 by continuous small protrusions 4 as shown in FIGS. 6 and press
As shown in, the sandwich sheet body 7 is manufactured by stacking. The temporary release paper 6 is made of natural paper, synthetic film, or the like. The continuous small protrusions 4 have a square lattice shape, and therefore the small recesses 5 are small squares. afterwards,
The sandwich sheet body 7 is cut into sheets.
【００１１】このとき、図７及び図８に示すように、粘
着層２と、仮剥離紙６の小凹部５との間には、エアーを
含む薄いエアー溜まり部８が形成される。At this time, as shown in FIGS. 7 and 8, a thin air reservoir 8 containing air is formed between the adhesive layer 2 and the small recess 5 of the temporary release paper 6.
【００１２】図５及び図６に戻って、仮剥離紙６の小凹
部５の縦横寸法Ｗを0.05mm≦Ｗ≦3.0 mmとする。Ｗ＜0.
05mmのときは、仮剥離紙６に小凹部５を加工（形成）す
るのが難しく、また、粘着層２が仮剥離紙６に粘着した
ままめくれてしまう虞れがある。また、3.0 mm＜Ｗのと
きは、粘着層２と仮剥離紙６との粘着力が過度に小さ
く、型抜きの際に、位置ずれする虞れがある。すなわ
ち、所定の寸法形状に美しくカットすることができない
虞れがある。Returning to FIGS. 5 and 6, the vertical and horizontal dimensions W of the small recesses 5 of the temporary release paper 6 are set to 0.05 mm ≦ W ≦ 3.0 mm. W <0.
When it is 05 mm, it is difficult to process (form) the small concave portion 5 in the temporary release paper 6, and there is a possibility that the adhesive layer 2 may be turned over while being adhered to the temporary release paper 6. Further, when 3.0 mm <W, the adhesive force between the adhesive layer 2 and the temporary release paper 6 is excessively small, and there is a risk of misalignment during die cutting. That is, it may not be possible to beautifully cut into a predetermined size and shape.
【００１３】小凹部５の深さＨを３μm ≦Ｈ≦50μm と
する。Ｈ＜３μm のときは、粘着層２が仮剥離紙６に粘
着したままめくれてしまう虞れがある。また、型抜きの
際に、位置ずれする虞れがある。すなわち、所定の寸法
形状に美しくカットすることができない虞れがある。一
方、50μm ＜Ｈのときは、深さＨが必要以上に大きく、
仮剥離紙６に小凹部５を加工（形成）するのが難しい。The depth H of the small recess 5 is 3 μm ≦ H ≦ 50 μm. When H <3 μm, there is a possibility that the adhesive layer 2 may be turned over while being adhered to the temporary release paper 6. In addition, there is a risk of misalignment during die cutting. That is, it may not be possible to beautifully cut into a predetermined size and shape. On the other hand, when 50 μm <H, the depth H is larger than necessary,
It is difficult to process (form) the small recesses 5 in the temporary release paper 6.
【００１４】小突条４の幅寸法Ｔを0.01mm≦Ｔ≦0.50mm
とする。Ｔ＜0.01mmのときは、粘着層２が仮剥離紙６に
粘着したままめくれてしまう虞れがある。また、0.50mm
＜Ｔのときは、粘着層２に仮剥離紙６をうまく積層固定
できず、型抜きの際に、位置ずれする虞れがある。すな
わち、所定の寸法形状に美しくカットすることができな
い虞れがある。The width T of the small ridge 4 is 0.01 mm ≦ T ≦ 0.50 mm
And When T <0.01 mm, there is a risk that the adhesive layer 2 may be turned over while being adhered to the temporary release paper 6. Also, 0.50 mm
When <T, the temporary release paper 6 cannot be properly laminated and fixed on the adhesive layer 2, and there is a risk of misalignment during die cutting. That is, it may not be possible to beautifully cut into a predetermined size and shape.
【００１５】その後の工程を説明すると、図６から図９
に示すように、サンドイッチシート体７の仮剥離紙６と
同時に粘着層２を、カッターＫにて、窓部９（図10参
照）付きの所定形状に切断（ハーフカット）する。この
とき、小突条４によって、粘着層２が水平方向に位置ず
れするのが防止される。すなわち、仮剥離紙６と粘着層
２とを、高精度の寸法形状に美しくカットすることがで
きる。そして、図10に示すように、カス部10Ａを基本剥
離紙１から除去して、例えば、図11のような中間製品に
型抜きする。The subsequent steps will be described with reference to FIGS.
As shown in FIG. 5, the adhesive layer 2 is cut (half cut) with the cutter K into a predetermined shape with the window 9 (see FIG. 10) at the same time as the temporary release paper 6 of the sandwich sheet body 7. At this time, the small protrusions 4 prevent the adhesive layer 2 from being displaced in the horizontal direction. That is, the temporary release paper 6 and the adhesive layer 2 can be beautifully cut into highly precise dimensions. Then, as shown in FIG. 10, the residue portion 10A is removed from the basic release paper 1 and, for example, die-cutting into an intermediate product as shown in FIG.
【００１６】上述のように型抜きされた両面粘着シート
の使用方法について、説明する。まず、図12に示すよう
に、仮剥離紙６を粘着層２から剥離する。このとき、前
述のエアー溜まり部８（図８参照）がエアーを含んでい
るので、仮剥離紙６をめくりやすい。すなわち、仮剥離
紙６の細い帯部12も簡単に剥離することができ、粘着層
２を基本剥離紙１上に全て残すことによって、粘着層２
の細い帯部対応部の変形を防止できる。A method of using the double-sided pressure-sensitive adhesive sheet die-cut as described above will be described. First, as shown in FIG. 12, the temporary release paper 6 is released from the adhesive layer 2. At this time, since the above-mentioned air reservoir 8 (see FIG. 8) contains air, the temporary release paper 6 can be easily turned over. That is, the thin strip portion 12 of the temporary release paper 6 can be easily peeled off, and the adhesive layer 2 can be removed by leaving the adhesive layer 2 entirely on the basic release paper 1.
It is possible to prevent the deformation of the thin strip corresponding portion.
【００１７】図13に於て、Ｓは表面材を示し、この表面
材Ｓは、携帯電話の窓枠、パソコンの液晶画面窓枠、カ
メラの遮光リング、オーディオ機器の部品等であって、
発泡体（クッション材）、ＰＥＴ（ポリエチレンテレフ
タレート）、アクリルパネル等から成る。そして、表面
材Ｓは、孔部Ｓ1 を有する。In FIG. 13, S is a surface material, and the surface material S is a window frame of a mobile phone, a liquid crystal screen window frame of a personal computer, a light shielding ring of a camera, parts of audio equipment, etc.
It is made of foam (cushion material), PET (polyethylene terephthalate), acrylic panel and the like. The surface material S has a hole S 1 .
【００１８】そして、図13に示すように、この表面材Ｓ
に粘着層２を粘着させる。このとき、微小凹部11によっ
て、エアーをかまない。すなわち、表面材Ｓと粘着層２
との間のエアーが抜けるので、表面材Ｓを容易に粘着層
２と粘着させることができる。Then, as shown in FIG. 13, this surface material S
The adhesive layer 2 is adhered to. At this time, the minute recesses 11 do not block the air. That is, the surface material S and the adhesive layer 2
Since the air between and is released, the surface material S can be easily adhered to the adhesive layer 2.
【００１９】その後、図13の状態から、基本剥離紙１を
剥離して、図14に示す如く、携帯電話、パソコン、カメ
ラ、オーディオ機器等から成る被貼着物Ｙに粘着させ
る。このとき、粘着層２の窓部９と、表面材Ｓの孔部Ｓ
1 との平面視が略一致し、この窓部９及び孔部Ｓ1 に、
被貼着物Ｙのスイッチ、ランプ等から成る突出部Ｙ1
が、略収納される。Thereafter, from the state shown in FIG. 13, the basic release paper 1 is peeled off, and as shown in FIG. 14, it is adhered to an adherend Y which is composed of a mobile phone, a personal computer, a camera, an audio device and the like. At this time, the window portion 9 of the adhesive layer 2 and the hole portion S of the surface material S
Plan view of one is substantially coincident, in this window 9 and the aperture S 1,
Projection Y 1 consisting of switches, lamps, etc. for the adherend Y
However, it is almost stored.
【００２０】図15〜図17は、第２の実施の形態を示す。
図１〜図８までは同様の工程であるが、その後、図15に
示すように、サンドイッチシート体７を窓部９付きの所
定形状に切断する。すなわち、図15に示すように、基本
剥離紙１、粘着層２、仮剥離紙６の全てを、カッターＫ
にて、フルカットする。そして、図16に示すように、カ
ス部10Ｂを除去して型抜きする。この両面粘着シート３
を使用するには、図17に示すように、仮剥離紙６を粘着
層２から剥離して、その後は第１の実施の形態と同様に
（図13，図14のように）被貼着物Ｙに貼着する。15 to 17 show a second embodiment.
1 to 8 are similar steps, but thereafter, as shown in FIG. 15, the sandwich sheet body 7 is cut into a predetermined shape with a window 9. That is, as shown in FIG. 15, all of the basic release paper 1, the adhesive layer 2, and the temporary release paper 6 are cut with the cutter K.
Then, make a full cut. Then, as shown in FIG. 16, the scrap portion 10B is removed and die-cutting is performed. This double-sided adhesive sheet 3
To use, the temporary release paper 6 is peeled from the adhesive layer 2 as shown in FIG. 17, and thereafter, the adherend is adhered similarly to the first embodiment (as shown in FIGS. 13 and 14). Stick on Y.
【００２１】なお、本発明は、設計変更可能であって、
例えば、粘着層２が、芯材２ａを具備しないものであっ
ても良い。また、小凹部５の底面視形状は、正方形のみ
ならず、長方形や、ダイヤ型（菱形）等であっても良
い。It should be noted that the present invention is capable of design change,
For example, the adhesive layer 2 may not include the core material 2a. Further, the shape of the small recess 5 in bottom view is not limited to a square, but may be a rectangle, a diamond shape (diamond), or the like.
【００２２】[0022]
【発明の効果】本発明は、上述の如く構成されるので、
次に記載する効果を奏する。Since the present invention is constructed as described above,
The following effects are achieved.
【００２３】（請求項１，２によれば）小突条４によっ
て、型抜き時に、粘着層２が水平方向に位置ずれするの
を防止することができる。すなわち、片面剥離紙両面粘
着シート３を高精度の寸法形状に、巧妙に、美しくカッ
トすることができる。また、粘着層２と、仮剥離紙６の
小凹部５との間に、エアー溜まり部８が形成されるた
め、簡単に仮剥離紙６を粘着層２から剥離することがで
きる。By means of the small ridges 4 (according to claims 1 and 2), the adhesive layer 2 can be prevented from being displaced in the horizontal direction during die cutting. In other words, the single-sided release paper double-sided adhesive sheet 3 can be skillfully and beautifully cut into a highly precise dimensional shape. Further, since the air reservoir 8 is formed between the adhesive layer 2 and the small recess 5 of the temporary release paper 6, the temporary release paper 6 can be easily released from the adhesive layer 2.
【００２４】（請求項３によれば）粘着層２と仮剥離紙
６との粘着力が適度な大きさであって、型抜きの際に、
位置ずれする虞れがなく、所定の寸法形状に美しくカッ
トすることができる。また、粘着層２が仮剥離紙６に粘
着したままめくれてしまう虞れがなく、簡単に仮剥離紙
６を剥離することができる。(According to claim 3) The adhesive force between the adhesive layer 2 and the temporary release paper 6 is a suitable amount, and when the die is removed,
There is no risk of misalignment, and it can be beautifully cut into a predetermined size and shape. Further, there is no fear that the adhesive layer 2 will be turned over while being adhered to the temporary release paper 6, and the temporary release paper 6 can be easily released.
【図１】両面粘着シートを示す全体側面図である。FIG. 1 is an overall side view showing a double-sided pressure-sensitive adhesive sheet.
【図２】両面粘着シートを示す拡大断面側面図である。FIG. 2 is an enlarged cross-sectional side view showing a double-sided pressure-sensitive adhesive sheet.
【図３】本発明の第１の実施の形態を示す説明用拡大断
面図である。FIG. 3 is an explanatory enlarged cross-sectional view showing the first embodiment of the present invention.
【図４】仮剥離紙の拡大底面図である。FIG. 4 is an enlarged bottom view of the temporary release paper.
【図５】仮剥離紙の説明用要部拡大斜視図である。FIG. 5 is an enlarged perspective view of a main part for explanation of the temporary release paper.
【図６】拡大断面側面図である。FIG. 6 is an enlarged sectional side view.
【図７】説明用平面図である。FIG. 7 is an explanatory plan view.
【図８】要部拡大断面側面図である。FIG. 8 is an enlarged sectional side view of a main part.
【図９】拡大断面側面図である。FIG. 9 is an enlarged sectional side view.
【図10】拡大断面側面図である。FIG. 10 is an enlarged sectional side view.
【図11】要部拡大平面図である。FIG. 11 is an enlarged plan view of a main part.
【図12】拡大断面側面図である。FIG. 12 is an enlarged sectional side view.
【図13】使用状態の説明用拡大断面側面図である。FIG. 13 is an enlarged sectional side view for explaining a use state.
【図14】使用状態を示す拡大断面側面図である。FIG. 14 is an enlarged cross-sectional side view showing a usage state.
【図15】第２の実施の形態を示す拡大断面側面図であ
る。FIG. 15 is an enlarged cross-sectional side view showing the second embodiment.
【図16】拡大断面側面図である。FIG. 16 is an enlarged sectional side view.
【図17】使用状態の説明用拡大断面側面図である。FIG. 17 is an enlarged sectional side view for explaining a use state.
【図18】従来例の説明用拡大断面側面図である。FIG. 18 is an enlarged sectional side view for explaining a conventional example.
【図19】従来例の拡大断面側面図である。FIG. 19 is an enlarged cross-sectional side view of a conventional example.
１ 基本剥離紙 １ａ 一面 ２ 粘着層 ３ （片面剥離紙）両面粘着シート ４ （連続状）小突条 ５ 小凹部 ６ 仮剥離紙 ７ サンドイッチシート体 ９ 窓部 10Ａ カス部 10Ｂ カス部 Ｈ 深さ Ｔ 幅寸法 Ｗ 縦横寸法 1 Basic release paper 1a one side 2 Adhesive layer 3 (Single-sided release paper) Double-sided adhesive sheet 4 (continuous) small ridges 5 small recesses 6 Temporary release paper 7 Sandwich sheet body 9 windows 10A waste part 10B waste part H depth T width dimension W vertical and horizontal dimensions
Claims (3)
層された片面剥離紙両面粘着シート３の上記粘着層２を
型抜きする方法に於て、連続状小突条４によって多数の
独立した小凹部５…を有する仮剥離紙６を、上記両面粘
着シート３の上記粘着層２に押圧して積層してサンドイ
ッチシート体７を作製し、次に、該サンドイッチシート
体７の上記仮剥離紙６と同時に粘着層２を窓部９付きの
所定形状に切断し、次に、カス部10Ａを上記基本剥離紙
１から除去して型抜きすることを特徴とする両面粘着シ
ートの型抜き方法。1. A method of die-cutting the pressure-sensitive adhesive layer 2 of a double-sided pressure-sensitive adhesive sheet 3 for single-sided release paper, wherein a pressure-sensitive adhesive layer 2 is laminated on one surface 1a of a basic release paper 1, wherein a large number of continuous small protrusions 4 are used. Temporary release paper 6 having independent small recesses 5 is pressed against the pressure-sensitive adhesive layer 2 of the double-sided pressure-sensitive adhesive sheet 3 to be laminated to produce a sandwich sheet body 7. Simultaneously with the release paper 6, the pressure-sensitive adhesive layer 2 is cut into a predetermined shape with a window portion 9, and then the dregs portion 10A is removed from the basic release paper 1 and die-cutting. Method.
層された片面剥離紙両面粘着シート３の上記粘着層２を
型抜きする方法に於て、連続状小突条４によって多数の
独立した小凹部５…を有する仮剥離紙６を、上記両面粘
着シート３の上記粘着層２に押圧して積層してサンドイ
ッチシート体７を作製し、次に、該サンドイッチシート
体７を窓部９付きの所定形状に切断し、次に、カス部10
Ｂを除去して型抜きすることを特徴とする両面粘着シー
トの型抜き方法。2. A method of die-cutting the pressure-sensitive adhesive layer 2 of a double-sided pressure-sensitive adhesive sheet 3 for single-sided release paper, wherein a pressure-sensitive adhesive layer 2 is laminated on one surface 1a of a basic release paper 1, wherein a large number of continuous small ridges 4 are used. Temporary release paper 6 having independent small recesses 5 is pressed and laminated on the pressure-sensitive adhesive layer 2 of the double-sided pressure-sensitive adhesive sheet 3 to prepare a sandwich sheet body 7, and then the sandwich sheet body 7 is covered with a window portion. Cut into a predetermined shape with 9 and then scrap 10
A method of die-cutting a double-sided pressure-sensitive adhesive sheet, which comprises removing B and die-cutting.
05mm≦Ｗ≦3.0 mmとし、かつ、該小凹部５の深さＨを３
μm ≦Ｈ≦50μm とし、小突条４の幅寸法Ｔを0.01mm≦
Ｔ≦0.50mmとした請求項１又は２記載の両面粘着シート
の型抜き方法。3. The vertical and horizontal dimensions W of the small recesses 5 of the temporary release paper 6 are set to 0.
05 mm ≦ W ≦ 3.0 mm, and the depth H of the small recess 5 is 3
μm ≤ H ≤ 50 μm, and the width T of the small protrusion 4 is 0.01 mm ≤
The method of die-cutting a double-sided pressure-sensitive adhesive sheet according to claim 1, wherein T ≦ 0.50 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001341525A JP3839305B2 (en) | 2001-11-07 | 2001-11-07 | Die cutting method for double-sided adhesive sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001341525A JP3839305B2 (en) | 2001-11-07 | 2001-11-07 | Die cutting method for double-sided adhesive sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003136487A true JP2003136487A (en) | 2003-05-14 |
| JP3839305B2 JP3839305B2 (en) | 2006-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001341525A Expired - Lifetime JP3839305B2 (en) | 2001-11-07 | 2001-11-07 | Die cutting method for double-sided adhesive sheet |
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| US8465615B2 (en) | 2004-10-14 | 2013-06-18 | Hitachi Chemical Company, Ltd. | Adhesive sheet and method for manufacturing the same, semiconductor device manufacturing method and semiconductor device |
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| US8465615B2 (en) | 2004-10-14 | 2013-06-18 | Hitachi Chemical Company, Ltd. | Adhesive sheet and method for manufacturing the same, semiconductor device manufacturing method and semiconductor device |
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