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    • 3. 发明专利
    • AIRTIGHT TERMINAL
    • JPH08148208A
    • 1996-06-07
    • JP31110894
    • 1994-11-21
    • FUJI DENKA KK
    • ANDO KENICHI
    • H01R9/16
    • PURPOSE: To provide an airtight terminal of a metal base having a good bonding characteristic and good productivity. CONSTITUTION: In an airtight terminal constructed by providing a lead terminal inserting hole 2 in a metal base 1, inserting a lead terminal 3 through the lead terminal inserting hole and sealing itself by glass, a glass layer includes the metal base 1, a sealing glass layer 41 for sealing the lead terminal and a laminated glass layer 42 provided on the upper layer of this sealing glass layer for supporting one tip of the lead terminal. The uppermost layer 421 and lowermost layer 423 of the laminated glass layer 42 are sealing glass layers adhered well to the lead terminal and the sealing glass layer and its intermediate layer 422 is a high melting point glass layer having a high strength and adhered well to the sealing glass. Since the laminated glass layer is provided below the head part 31 of the lead terminal for supporting the same and the strong high melting point glass layer is provided in the laminated glass layer, no resonance phenomena occur and the dimension of the inner side of the lead terminal can be made long.
    • 4. 发明专利
    • AIRTIGHT TERMINAL
    • JPH0845585A
    • 1996-02-16
    • JP19491194
    • 1994-07-27
    • FUJI DENKA KK
    • ANDO KENICHI
    • H01R9/16
    • PURPOSE:To make the airtight terminal excellent in thermal radiation, and also make it free from a bi-metal phenomenon by dividing a box shaped metallic base into a bottom section base and a frame shaped ring, joining the inner circumferential surface of the frame shaped ring with the outer circumferential surface of the bottom section base, and thereby integrating them all together. CONSTITUTION:An airtight terminal main body has lead terminal insertion holes bored in the side walls of a box shaped base 1, and is formed into a structure sealed with glass 5 in such a way that each lead terminal is penetrated through an air tight space 4. And the metallic base 1 includes a bottom section base 12 and a frame shaped ring 13 which is joined with the bottom section base 12. The bottom section base 12 is joined at its outer circumferential surface with the inner circumferential surface 131 of the frame shaped ring 13 at least at its one part by brazing. The frame shaped ring 13 is preferably made of for example, a Fe-Ni-Co alloy, Fe-Ni, Fe or of stainless. Meanwhile, the bottom section base 12 is preferably made of for example, copper or a copper alloy with thermal radiation taken into consideration.
    • 5. 发明专利
    • AIR-TIGHT TERMINAL
    • JPH07326408A
    • 1995-12-12
    • JP14089094
    • 1994-05-31
    • FUJI DENKA KK
    • ANDO KENICHI
    • H01R9/16
    • PURPOSE:To provide a reliable air-tight terminal the mounting area of which is smaller than that of a conventional one and the assembling process of which is simplified and the positional accuracy is improved and further which is excellent in shock resistance. CONSTITUTION:A lead wire insertion hole 2 is provided at the metallic bottom of a metallic base, which is constituted by bonding a frame-shaped seal ring 7 for sealing a cover and the said metallic bottom 8 to which a ground terminal 6 is connected, and a lead terminal 3 is inserted into this lead wire insertion hole so that it may pierce the air-tight space 4 made by the metallic base, and those are sealed by glass 5, inclusive of the said metallic bottom. Hereby, the protection of the air-tight terminal body and the improvement of the positional accuracy can be materialized by the frame having a pair of ground terminals, and further the installation of the circuit parts, the property check, and besides the packaging can be performed, with the air-tight terminal body connected to the frame.
    • 8. 发明专利
    • METHOD FOR SEALING AIRTIGHT PACKAGE
    • JP2003163300A
    • 2003-06-06
    • JP2001359633
    • 2001-11-26
    • FUJI DENKA KK
    • ANDO KENICHI
    • H01L23/02H01L23/04H03H9/02
    • PROBLEM TO BE SOLVED: To provide a method for sealing an airtight package in which the advantages of a method for sealing using a sealing material and a method for sealing by direct welding are applied to the maximum limit and defects are removed. SOLUTION: The method for sealing the airtight package comprises the steps of providing a plurality of lead terminal sealing holes 2 at the bottom or the sidewall of a metal container 1 having an opening, and welding a cover made of a metal to the opening of the terminal in which the lead terminal 3 is airtightly sealed by using a glass material 4 to the sealing holes of the terminal. The method further comprises the steps of holding a low melting point metal 6 between the opening and the cover, and seam welding the cover to the opening. Thus, limits of the position and the size of airtightly sealing the lead terminal using the glass of the terminal are reduced, and the degree of freedoms of the structure is high. Since the low melting point metal is melted in the seam welding method, it becomes local heating, and hence the limit of the connecting material when an element or the like is mounted therein is not required, and the fault due to the generation of the gas when the connecting material of the resin is used does not occur so that high reliability can be assured. COPYRIGHT: (C)2003,JPO
    • 9. 发明专利
    • PACKAGE FOR AIRTIGHT SEALING
    • JPH1041431A
    • 1998-02-13
    • JP21064096
    • 1996-07-22
    • FUJI DENKA KK
    • ANDO KENICHI
    • H01L23/12H01L23/08H03H9/02H03H9/10
    • PROBLEM TO BE SOLVED: To absorb the external stress propagation, while reducing the frequency fluctuation by external mechanical stress and the manufacturing steps by composing the material of inner electrode part of a soft metal, and setting the level thereof at least a specific value. SOLUTION: In the airtight sealing package, an inner electrode 65 is provided in a package substrate 61 composed of a ceramic and/or glass ceramic. The inner electrode 65 is connected to an outer electrode 66 provided on the bottom of a package substrate 61 through the intermediary of a conductive line 67. Besides, the inner electrode 65 is formed of a projecting soft metal of the height of at least 30μm. Through these procedures, a space can be given to the bottom of a piezoelectric element, thereby enabling the inner electrode 65 to be directly formed on the lower layer glass ceramic 61 besides, the external stress propagation to be absorbed to reduce the distortion in a chrystalline element. Furthermore, a sheetlike holding support can be eliminated thereby reducing the parts and steps.