JPH0542969A - Electrically conductive carrier type - Google Patents

Electrically conductive carrier type

Info

Publication number
JPH0542969A
JPH0542969A JP3287383A JP28738391A JPH0542969A JP H0542969 A JPH0542969 A JP H0542969A JP 3287383 A JP3287383 A JP 3287383A JP 28738391 A JP28738391 A JP 28738391A JP H0542969 A JPH0542969 A JP H0542969A
Authority
JP
Japan
Prior art keywords
electrically conductive
conductive layer
carrier tape
conductive
base sheet
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.)
Pending
Application number
JP3287383A
Other languages
Japanese (ja)
Inventor
Toshifumi Takechi
利文 武智
Masaaki Mochizuki
真明 望月
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.)
SUN A CHEM IND CO Ltd
Original Assignee
SUN A CHEM IND CO Ltd
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 SUN A CHEM IND CO Ltd filed Critical SUN A CHEM IND CO Ltd
Priority to JP3287383A priority Critical patent/JPH0542969A/en
Publication of JPH0542969A publication Critical patent/JPH0542969A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To provide a specific electrically conductive filler material and make an electrically conductive layer transparent and the visual checking of contents easy in an electrically conductive layer formed by coating at least the one side of a plastic sheet with the electrically conductive filler dispersed in a binder. CONSTITUTION:A carrier tape 1 for packaging electronic parts such as IC and transistor is provided with embossed receiving parts 3 formed on a tape-like base sheet 2 at predetermined intervals and a plurality of perforations 4 formed along one side edge of the base sheet 2. The base sheet 2 is made transparent wholly including the receiving parts 3, so that the electronic parts E in the receiving parts 3 can be seen therethrough from the outside. Specifically, the base sheet 2 has an electrically conductive layer 6 formed on each side of a plastic sheet 5 having a thickness of about 200-400mum and the electrically conductive layer 6 is formed by coating thereto an electrically conductive filler 7 having 7,7,8,8-tetracyanoquinodimethane complex dispersed in a binder.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の目的】[Object of the Invention]

【産業上の利用分野】本発明はI.C、トランジスタ、
ダイオードなどの電子部品を包装するためのキャリアテ
ープに関する。
BACKGROUND OF THE INVENTION The present invention relates to I.S. C, transistor,
The present invention relates to a carrier tape for packaging electronic components such as diodes.

【0002】[0002]

【発明の背景】通常電子部品は、プラスチックシートを
エンボス加工したキャリアテープに収納して運搬される
が、I.C、トランジスタ、ダイオードなどの電子部品
は、運搬中に電子部品とキャリアテープとの摩擦によっ
て生ずる静電気や外部からの静電気が原因となって故障
しやすく、そのため導電性即ち非帯電性を有するキャリ
アテープに収納される。
BACKGROUND OF THE INVENTION Electronic components are usually transported by enclosing a plastic sheet in a carrier tape embossed. Electronic components such as C, transistors, and diodes are prone to failure due to static electricity generated by friction between the electronic components and the carrier tape during transportation and static electricity from the outside. Is stored in.

【0003】この導電性キャリアテープは、一般には硬
質塩化ビニル、ポリスチレン、ポリエステル等のプラス
チックシートの両面に、導電性フィラーをバインダーに
分散したものを塗布して導電層を形成し、これをエンボ
ス加工して成るものであり、従来は導電性フィラーとし
て、その導電性の高さや経済性を考慮してカーボンが広
く使用されていた。
This conductive carrier tape is generally formed by coating a plastic sheet of hard vinyl chloride, polystyrene, polyester or the like with a conductive filler dispersed in a binder on both sides to form a conductive layer, which is then embossed. Conventionally, carbon has been widely used as a conductive filler in consideration of its high conductivity and economical efficiency.

【0004】しかし導電性フィラーをカーボンとすると
キャリアテープが黒色となるため、キャリアテープに形
成された各収納部に電子部品が収納されているか否かの
目視検査を行なうことができない。尚、従来は収納され
た電子部品が落ちないようにキャリアテープの上に被せ
るオーバーテープの側には導電層を設けずに、これを透
明とすることで収納状態の目視検査が行えるようにして
いたが、オーバーテープ側の静電気シールドができない
という欠点があった。そこで透明な導電性キャリアテー
プの開発が望まれていた。
However, when carbon is used as the conductive filler, the carrier tape becomes black, so that it is impossible to perform a visual inspection as to whether or not electronic parts are stored in the respective storage portions formed on the carrier tape. It should be noted that conventionally, a conductive layer is not provided on the side of the overtape which is placed on the carrier tape so that the stored electronic parts do not fall, and the conductive state is made transparent so that a visual inspection of the stored state can be performed. However, there was a drawback that the static electricity on the overtape side could not be shielded. Therefore, development of a transparent conductive carrier tape has been desired.

【0005】[0005]

【開発を試みた技術的事項】本発明はこのような背景に
鑑みなされたものであって、バインダーに分散して塗布
した状態で透明な導電層を形成しうる導電性フィラーを
適用し、これにより外側から電子部品の包装状態が確認
できる透明な導電性キャリアテープの開発を試みたもの
である。
[Technical Items Attempted to Develop] The present invention has been made in view of the above background, in which a conductive filler capable of forming a transparent conductive layer in a state of being dispersed and applied in a binder is used. This is an attempt to develop a transparent conductive carrier tape that allows the packaging of electronic components to be checked from the outside.

【0006】[0006]

【発明の構成】[Constitution of the invention]

【目的達成の手段】即ち本出願に係る発明たる導電性キ
ャリアテープは、プラスチックシートの少なくとも片面
に、導電性フィラーをバインダーに分散したものを塗布
した導電層を形成し、このものをエンボス加工して成る
電子部品包装用のキャリアテープにおいて、前記導電性
フィラーは7、7、8、8−テトラシアノキノジメタン
錯体(TCNQ錯体)であり、前記導電層が透明である
ことを特徴として成るものであり、もって前記目的を達
成せんとするものである。
[Means for Achieving the Object] That is, the conductive carrier tape according to the invention of the present application is obtained by forming a conductive layer having a conductive filler dispersed in a binder on at least one surface of a plastic sheet, and embossing this. In the carrier tape for packaging electronic parts, the conductive filler is 7,7,8,8-tetracyanoquinodimethane complex (TCNQ complex), and the conductive layer is transparent. Therefore, the above object is achieved.

【0007】[0007]

【発明の作用】本発明では導電性フィラーとして、7、
7、8、8−テトラシアノキジメタン錯体を適用したか
ら、このものをバインダーに分散して塗布した導電層は
透明であり、従って導電性キャリアテープを透明にする
こができる。
In the present invention, as the conductive filler, 7,
Since the 7,8,8-tetracyanokidimethane complex was applied, the conductive layer formed by dispersing this in a binder and coating it is transparent, and therefore the conductive carrier tape can be made transparent.

【0008】[0008]

【実施例】以下本発明を図示の実施例に基づいて説明す
る。図1は本発明を適用したキャリアテープであって、
このものはテープ状の基板シート2に対して一定の間隔
毎にエンボス加工された収納部3を形成するとともに、
基板シート2の端部には収納部3と同じピッチで円形に
切り欠いた複数のパーフォレーション4を形成して成
る。因みに収納部3はI.C等の電子部品Eを収納する
部分であり、またパーフォレーション4は自動組立工程
において自動送りを行うためのものである。尚、このキ
ャリアテープ1は収納部3内に収納される電子部品を静
電気からシールドするために、基板シート2が導電性を
有するものであるが、この点についての構造の詳細は後
述する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on the illustrated embodiments. FIG. 1 shows a carrier tape to which the present invention is applied,
This one forms a storage part 3 that is embossed at regular intervals on a tape-shaped substrate sheet 2, and
A plurality of perforations 4 cut out in a circular shape at the same pitch as the accommodating portion 3 are formed at the end of the substrate sheet 2. Incidentally, the storage unit 3 is an I.D. It is a part for housing an electronic component E such as C, and the perforation 4 is for performing automatic feeding in an automatic assembly process. In this carrier tape 1, the substrate sheet 2 has conductivity in order to shield the electronic parts housed in the housing part 3 from static electricity, and the structure of this point will be described later in detail.

【0009】基板シート2は収納部3を含めて全体が透
明であり、収納部3内の電子部品Eが外側から基板シー
ト2を透して目視できるようになっている。因みに従来
のこの種の導電性キャリアテープは導電作用をなすフィ
ラーとしてカーボンを使用していたため、基板シート2
が黒色であったが、本発明ではキャリアテープ自体が導
電性を具備しながら透明である点が特徴となっている。
The substrate sheet 2 including the storage portion 3 is entirely transparent, and the electronic components E in the storage portion 3 can be seen through the substrate sheet 2 from the outside. By the way, the conventional conductive carrier tape of this type uses carbon as a filler having a conductive function, so that the substrate sheet 2
Was black, but the present invention is characterized in that the carrier tape itself is electrically conductive and transparent.

【0010】そこで基板シート2の構造について説明す
ると、このものは図1、3に示すように200μ〜40
0μの厚さを有するプラスチックシート5の両面に導電
層6を形成して成る。プラスチックシート5は一例とし
て硬質塩化ビニル、ポリスチレン又はポリエステル等か
ら成るが、エンボス加工の加工性やキャリアテープ1の
上に被せるオーバーテープとの接着性、易剥離性等を考
慮して適宜のものを選択できる。
The structure of the substrate sheet 2 will be described below. As shown in FIGS.
A conductive layer 6 is formed on both sides of a plastic sheet 5 having a thickness of 0 μ. The plastic sheet 5 is made of, for example, hard vinyl chloride, polystyrene, polyester, or the like, but is appropriately made in consideration of workability of embossing, adhesiveness with an over tape to be put on the carrier tape 1, easy peeling property, and the like. You can choose.

【0011】また導電層6は透明であって、このものは
導電性フィラー7である7、7、8、8−テトラシアノ
キノジメタン錯体をバインダーに分散したものを塗布し
て形成される。ここで7、7、8、8−テトラシアノキ
ノジメタン(以下TCNQと略称する)について説明す
ると、このものは化1に示すような構造を有するもので
あり、電子受容性がきわめて高く、良好なアクセプター
となることができ、電子供与性物質(ドナー)との組み
合わせにより安定なラジカル塩をつくる。
The conductive layer 6 is transparent and is formed by applying a conductive filler 7, 7, 7, 8, 8-tetracyanoquinodimethane complex dispersed in a binder. Here, 7,7,8,8-tetracyanoquinodimethane (hereinafter abbreviated as TCNQ) will be described. It has a structure shown in Chemical formula 1, and has an extremely high electron accepting property and good It can serve as a simple acceptor, and forms a stable radical salt when combined with an electron-donating substance (donor).

【0012】[0012]

【化1】 [Chemical 1]

【0013】このようなTCNQと、ある種のドナーか
らなるTCNQ錯体は一般に導電体であり、中でも化2
に示すような構造を有するTTF・TCNQ錯体は導電
率が10〜10S/cmと極めて高く、金属領域の
導電性を示す。
A TCNQ complex composed of such TCNQ and a certain kind of donor is generally a conductor, and among them,
The TTF / TCNQ complex having a structure as shown in (1) has an extremely high conductivity of 10 3 to 10 4 S / cm, and exhibits conductivity in the metal region.

【0014】[0014]

【化2】 [Chemical 2]

【0015】尚、本発明では導電層6中の導電性フィラ
ー7としてTCNQ錯体を適用するから、TCNQ錯体
は導電率が高い方が好ましいが、キャリアテープ1に収
納される電子部品の高級度やキャリアテープの経済性等
を考慮して導電率がそれ程高くないものであっても、適
宜の導電率を有するTCNQ錯体を導電性フィラーとし
て適用することができる。またTCNQ錯体を分散する
バインダーとしては、アクリル等があるが、プラスチッ
クシート5との相性や、キャリアテープの上に被せるオ
ーバーテープとの接着性、易剥離性等を考慮して適宜の
ものを選択できる。
In the present invention, since the TCNQ complex is used as the conductive filler 7 in the conductive layer 6, it is preferable that the TCNQ complex has a high conductivity, but the high quality of the electronic parts housed in the carrier tape 1 and the like. Even if the conductivity is not so high in consideration of the economical efficiency of the carrier tape, the TCNQ complex having an appropriate conductivity can be applied as the conductive filler. As a binder for dispersing the TCNQ complex, there is acrylic or the like, but an appropriate one is selected in consideration of compatibility with the plastic sheet 5, adhesiveness with an over tape to be put on the carrier tape, easy peeling property, and the like. it can.

【0016】[0016]

【発明の効果】本発明では、導電性フィラーとしてTC
NQ錯体を適用したから、従来カーボンを適用していた
ときと異なり、導電層6が透明であり、キャリアテープ
1全体を透明にすることができる。従って収納部3内の
目視検査を容易に行なうことができる。
According to the present invention, TC is used as the conductive filler.
Since the NQ complex is applied, the conductive layer 6 is transparent and the carrier tape 1 as a whole can be made transparent, unlike the case where carbon is conventionally applied. Therefore, it is possible to easily perform a visual inspection inside the storage section 3.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の導電性キャリアテープを一部拡大並び
に破断して示す斜視図である。
FIG. 1 is a perspective view showing a partially enlarged and broken view of a conductive carrier tape of the present invention.

【図2】同上平面図である。FIG. 2 is a plan view of the same.

【図3】図2III−III線における断面図である。FIG. 3 is a cross-sectional view taken along the line III-III of FIG.

【符号の説明】[Explanation of symbols]

1 キャリアテープ 2 基板シート 3 収納部 4 パーフォレーション 5 プラスチックシート 6 導電層 7 導電性フィラー E 電子部品 1 Carrier Tape 2 Substrate Sheet 3 Storage 4 Perforation 5 Plastic Sheet 6 Conductive Layer 7 Conductive Filler E Electronic Component

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 プラスチックシートの少なくとも片面
に、導電性フィラーをバインダーに分散したものを塗布
した導電層を形成し、このものをエンボス加工して成る
電子部品包装用のキャリアテープにおいて、前記導電性
フィラーは7、7、8、8−テトラシアノキノジメタン
錯体(TCNQ錯体)であり、前記導電層が透明である
ことを特徴とする導電性キャリアテープ。
1. A carrier tape for packaging electronic parts, comprising: forming a conductive layer having a conductive filler dispersed in a binder on at least one surface of a plastic sheet and embossing the conductive layer; The conductive carrier tape, wherein the filler is 7,7,8,8-tetracyanoquinodimethane complex (TCNQ complex), and the conductive layer is transparent.
JP3287383A 1991-08-09 1991-08-09 Electrically conductive carrier type Pending JPH0542969A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3287383A JPH0542969A (en) 1991-08-09 1991-08-09 Electrically conductive carrier type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3287383A JPH0542969A (en) 1991-08-09 1991-08-09 Electrically conductive carrier type

Publications (1)

Publication Number Publication Date
JPH0542969A true JPH0542969A (en) 1993-02-23

Family

ID=17716643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3287383A Pending JPH0542969A (en) 1991-08-09 1991-08-09 Electrically conductive carrier type

Country Status (1)

Country Link
JP (1) JPH0542969A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997010693A1 (en) * 1995-09-15 1997-03-20 Minnesota Mining And Manufacturing Company Component carrier tape having static dissipative properties
US6068130A (en) * 1999-02-05 2000-05-30 Lucent Technologies Inc. Device and method for protecting electronic component

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997010693A1 (en) * 1995-09-15 1997-03-20 Minnesota Mining And Manufacturing Company Component carrier tape having static dissipative properties
US5846621A (en) * 1995-09-15 1998-12-08 Minnesota Mining And Manufacturing Company Component carrier tape having static dissipative properties
US6068130A (en) * 1999-02-05 2000-05-30 Lucent Technologies Inc. Device and method for protecting electronic component
US6554137B1 (en) * 1999-02-05 2003-04-29 Agere Systems Inc. Device and method for protecting electronic component

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