ALFeeder_E.pdf - 第27页
1. Overview 1-15 Chapter 1 Overview ► Cover tape condition Cover tape must be adhered to carrier tape uniformly . It must not sink into a pocket. Cover tape Carrier tape Unavailable component tape Cover tape sinks into p…
1. Overview
1-14
Chapter 1 Overview
►
Clearance between component surface and cover tape
The component must locate lower than top of carrier tape. The appropriate clearance between the
component and cover tape must be provided.
Available component tape
Appropriate clearance between component surface and cover tape
Min. 40µm
Carrier tape
Cover tape
63114-KLU-30
Unavailable component tape
Inappropriate clearance between component surface and cover tape
Component is protruding upward. Object is protruding.
Cover tape
Carrier tape
Protruding object
Protruding object
63115-KLU-30
►
Component must not adhere to cover tape or carrier tape
Unavailable component tape
Component adhering to cover tape/carrier tape
Cover tape
Carrier tape
Component adheres to cover tape. Component adheres to side of carrier tape.
63116-KLU-30
1. Overview
1-15
Chapter 1 Overview
►
Cover tape condition
Cover tape must be adhered to carrier tape uniformly. It must not sink into a pocket.
Cover tape
Carrier tape
Unavailable component tape
Cover tape sinks into pocket.
63117-KLU-30
►
Carrier tape condition
The surface of carrier tape must be flat without sinking.
Even when the distance between pockets is narrow, the surface of carrier tape also must be upper than
a component in a pocket.
Cover tape
Step
Pocket
Adhesive portions of cover tape
Cross section 2
Cross section 1
Step
Unavailable component tape
Pocket have a step.
63118-KLU-30
1. Overview
1-16
Chapter 1 Overview
1.5.3 Standard for component tape
█
IEC standards
The component tape must comply with IEC 60286-3(JIS C 0806-3). The followings are excerpts from IEC
standards for reference.
►
Component must not come out from any of tape surfaces.
Component can be picked up vertically from the pocket without mechanical limitations after removing
cover tape.
(IEC 60286-3 3.1/3.2) (JIS C 0806-3)
►
Adhesive for cover tape must not adverse to mechanical and electrical peculiarity and indication of
component.
(IEC 60286-3 5.2.2) (JIS C 0806-3)
►
Component must not adhere to a carrier tape or cover tape.
(IEC 60286-3 5.2.3) (JIS C 0806-3)
►
Cover tape must not be delaminated.
(IEC 60286-3 5.2.4) (JIS C 0806-3)
►
Cover tape must not protrude from the edges of carrier tape.
(IEC 60286-3 5.2.5) (JIS C 0806-3)
►
Trailer is component tape without component covered with cover tape which length is 160 mm
or longer.
When a component tape is pulled out and the end is moved away from a reel, the component tape must
be separated from reel hub. (IEC 60286-3 7.1.2) (JIS C 0806-3)
TIP
Trailer is the end of component tape.