摘要:
The present invention provides a lightweight prepreg having uniform formation, low linear thermal expansion coefficient and good mechanical strength, comprising a porous para-oriented aromatic polyamide film and a thermoplastic resin and/or a thermosetting resin, the porous para-oriented aromatic polyamide film being impregnated with the thermoplastic resin and/or the thermosetting resin, a process for producing the same, and a printed circuit substrate/board using the same.
摘要:
Provided is a composite film comprising a continuous phase of para-oriented aromatic polyamide and a phase of low-dielectric resin, said film having a dielectric constant at 1 MHz of not more than 3.2 and a linear thermal expansion coefficient at 200 to 300.degree. C. of within .+-.50.times.10.sup.-6 /.degree.C. The composite film has characteristics such as a low dielectric constant, favorable mechanical strength, homogeneous structure, light weight, and a low linear thermal expansion coefficient, and the film is useful as a base substrate for a flexible printed circuit board.
摘要:
The present invention provides a printed circuit substrate comprising a lightweight prepreg and a conductive layer. The prepeg having uniform formation, low linear thermal expansion coefficient and good mechanical strength, comprising a porous para-oriented aromatic polyamide film and a thermoplastic resin and/or a thermosetting resin, the porous para-oriented aromatic polyamide film being impregnated with the thermoplastic resin and/or the thermosetting resin, a process for producing the same, and a printed circuit substrate/board using the same.
摘要:
A press detection sensor contains a base member having predetermined length and width and also having a predetermined shape, a first conductor having predetermined length and being arranged on the base member, and a second conductor that is arranged on the base member with the second conductor being faced to the first conductor. The press detection sensor also contains a conductive contact body that is arranged between the first conductor and the second conductor. The conductive contact body connects the first and second conductors electrically in response to an external force. The press detection sensor further contains a covering member that includes the contact body on the inside thereof. The covering member covers a top of the base member which includes the first and second conductors. The covering member contains at least one of flexibility and elasticity.
摘要:
An electronic apparatus includes a housing having a first connector; a Plug In Unit (PIU) having a second connecter, coupled to the first connector, and inserted into the housing; a first guide mechanism (1st GM) provided on the housing and/or the PIU; a second guide mechanism (2nd GM) provided on another housing and/or the PIU and guides insertion of the PIU in cooperation with the 1st GM so that the first connector is coupled to the second connector. The 1st GM, for example, includes a guide cylinder, and the 2nd GM, for example, includes a pin inserted into the guide cylinder; a fixed cylinder surrounding the pin; and a movable member, which has a hole that passes through the fixed cylinder, and the movable member is held by the fixed cylinder to be movable in the axial direction. The guide cylinder pushes the movable member when the pin is inserted.
摘要:
A biaxial hinge device includes: a first-shaft member; a second-shaft member orthogonal to the first-shaft member; a thrust-cam member provided to the second-shaft member so as to move in the extending direction of the second-shaft member; a rotational-arm member provided to the second-shaft member so as to move rotationally; a protrusion provided to the thrust-cam member so as to protrude to the rotational-arm member side; a groove provided to the rotational-arm member, into which the protrusion is fitted; and an fitting/fitting-release control portion provided to the first-shaft member which releases fitting of the protrusion into the groove when the rotational angle of the second-shaft member as to the first-shaft member is a first-rotational angle, and moves the thrust-cam member to the rotational-arm member side to fit the protrusion into the groove when the rotational angle of the second-shaft member as to the first-shaft member is a second-rotational angle.
摘要:
A plurality of sub word lines each have a length equivalent to the division of a main word line along the extension direction thereof, arranged along a bit line crossing said main word line, and are connected with a plurality of memory cells. A first sub word select line arranged in parallel to the main word line is extended to a plurality of sub arrays arranged in the extension direction of the word line. A second sub word select line is connected to the corresponding one of said first sub word select line to be extended orthogonally to a word line driving circuit area of an adjacent sub array. In the sub word line driving circuit provided for each sub array, a sub word line is selected and deselected by signals supplied from said main word line and said second sub word select line.
摘要:
A digital image filtering method and system are provided. A first matrix of a plurality of pixels is selected from a digital image to be displayed. The luminosity values of each of the pixels in the pixel matrix are analysed and the luminosity difference between the maximum and minimum luminosity values thereof is calculated. The central pixel of the matrix is then classified according to the luminosity difference in comparison to a predetermined threshold luminosity value, and the above selection, analysis and classification is repeated for each of the pixels of the image in turn. A target pixel is then selected from the classified pixels for further analysis, wherein a second pixel matrix of which the target pixel is the central pixel is selected, the classification of the pixels surrounding the target pixel in the second matrix is analysed, and the target pixel is filtered to an extent dependent upon the classification analysis.
摘要:
A display module includes: a display unit having a display screen for displaying information; a display unit housing including a transparent front cover covering a display screen of the display unit, and a pair of side covers covering both sides of the display unit, wherein the display unit is attached to the display unit housing so as to be detachable; and shafts projecting outwards from the pair of side covers and supported so as to be freely rotatable when fitted in a pair of supporting holes made in a housing provided for an apparatus.
摘要:
A touch-sensitive sheet member contains a body having predetermined hardness and a sheet shape and a sense-of-touch-representing unit that represents a sense of touch. The sense-of-touch-representing unit has a predetermined size and is arranged at positions of the body or at a predetermined position of the body. The touch-sensitive sheet member also contains a medium-supplying unit that supplies medium to the sense-of-touch-representing unit.