Application of Design of the Experiment in Preliminary Investigations on the end Milling of Low Temperature Co‐fired Ceramics

Jurków, Dominik; Gołonka, Leszek

doi:10.1111/j.1744-7402.2012.02763.x

Cited by 12 publications

(13 citation statements)

References 13 publications

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“…There are four main groups of the LTCC machining methods: punching [40][41][42][43], laser cutting [44][45][46][47][48][49], milling [2,50] and embossing [51][52][53][54]. The most widely used are punching and laser cutting.…”

Section: Methods Of Tape Machiningmentioning

confidence: 99%

Overview on low temperature co-fired ceramic sensors

Jurków

Maeder

Dąbrowski

et al. 2015

Sensors and Actuators A: Physical

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Low Temperature Co-fired Ceramics (LTCC) is one of the microelectronic techniques. This technology was initially developed as an alternative to Printed Circuit Boards (PCB) and classical thick-film technology, and it has found application in the fabrication of multilayer ceramic boards for electronic devices. Fast and wide development of this technology permitted the fabrication of 3D mechanical structures and integration with various different processes. Thanks to this, LTCC has found application in the manufacturing of various microelectronic devices. This paper presents an overview on LTCC technology and gives a detailed summary on physical quantity sensors fabricated using LTCC technique.

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Section: Methods Of Tape Machiningmentioning

confidence: 99%

Overview on low temperature co-fired ceramic sensors

Jurków

Maeder

Dąbrowski

et al. 2015

Sensors and Actuators A: Physical

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“…We said that the problem of ignorance is so huge [1][2][3][4][5][6][12][13][14][15][16][19][20][21][22][23]29,[31][32][33][34][35][36][37][38][44][45][46][47][48][49][50][51][52][53][54] that a profound change of mind (metanoia, Deming) [5,6] is NEEDED.…”

Section: Another Scientific Analysis Of the Data [56]mentioning

confidence: 99%

“…In order to overcome the huge problem of ignorance [1][2][3][4][5][6][12][13][14][15][16][19][20][21][22][23]29,[31][32][33][34][35][36][37][38][44][45][46][47][48][49][50][51][52][53][54][55][56][57][58] a profound change of mind (metanoia, Deming) [5,6] is NEEDED: therefore we present the Theory for analyzing Scientifically the data and making Scientifically the ANOVA [17]. We limit ourselves to the very simple case of two factors, as in the case of the Nigerian "statisticians"; we assume that any datum yij is defined as generated by the following model, [ADDITIVE model] (for A, B factors) ij i j ij y e = µ + α + β + where µ provides the influence of the mean µ of the random variables Y ij , α i provides the influence of the factor A, β j provides the influence of the factor B [we do not consider αβ ij that provides the influence of the interaction AB (due to the factor A and the factor B)].…”

Section: The Theory For Making the Anovamentioning

confidence: 99%

“…We do not present a literature review of the problem, because it will need at least hundreds of pages to be settled, both for Quality, Reliability, Statistics, Confidence Intervals and for Design of Experiments that are subjects very little known by managers and professors; we list here only few docs in the references [1][2][3][4][5][6][12][13][14][15][16][19][20][21][22][23]29,[31][32][33][34][35][36][37][38][44][45][46][47][48][49][50][51][52][53][54][55][56], taken from the hundreds of papers read by F. Galetto in his 45 years of experience/activity in the Quality Field (big and medium Corporations and Universities). We prefer to present the ideas about Science and the Scientific Attitude and Behavior (SAB).…”

Section: Introduction: "The Problem Outline"mentioning

confidence: 99%

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The First Step to Science Innovation: Down to the Basics

Galetto¹

2015

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Abstract:The purpose of this paper is to show the basic ideas about the basic knowledge needed to analyse scientifically the data collected on the field or generated in designed experiments. ANOVA (Analysis Of VARiance) is very used for this purpose. We analyzed just one case taken from some published documents found on the web: "On State Budget in the North Central of Nigeria: Analysis of Variance (ANOVA) Approach." [56] This paper is especially written to settle the matter for the researchers who want to learn a basic statistical tool. Researchers must be alert in order to do a good job…. Many others cases should be shown: the paper should be 10 times longer the methods used are the Logic and the Scientific Theory (Mathematics, Probability, Statistics, Physics…). Several Professors do not practice them.

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“…Aside from adhesives, chemical solvents are also used for temporary gluing of LTCC green tapes at low pressure and room temperature. 18,25 These solvents are usually some of the organic compositions of LTCC green tapes or thick film materials. Although these methods are proven to achieve sustainable LTCC cavities with very minimal deformation, their process reliability can be a potential issue in integrating thick film materials or electrical vias.…”

Section: Introductionmentioning

confidence: 99%

Fine structuration of low-temperature co-fired ceramic (LTCC) microreactors

et al. 2015

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The development of microreactors that operate under harsh conditions is always of great interest for many applications. Here we present a microfabrication process based on low-temperature co-fired ceramic (LTCC) technology for producing microreactors which are able to perform chemical processes at elevated temperature (>400°C) and against concentrated harsh chemicals such as sodium hydroxide, sulfuric acid and hydrochloric acid. Various micro-scale cavities and/or fluidic channels were successfully fabricated in these microreactors using a set of combined and optimized LTCC manufacturing processes. Among them, it has been found that laser micromachining and multi-step low-pressure lamination are particularly critical to the fabrication and quality of these microreactors. Demonstration of LTCC microreactors with various embedded fluidic structures is illustrated with a number of examples, including micro-mixers for studies of exothermic reactions, multiple-injection microreactors for ionone production, and high-temperature microreactors for portable hydrogen generation. IntroductionChemical microreactors are a type of meso-scaled reaction systems that have fluidic channels with characteristic dimensions in the sub-millimeter range. By combining process intensification concepts with microfabrication techniques, these microreactors have been rapidly developed to perform liquid/gas phase chemical reactions, particularly the quasiinstantaneous endothermic or exothermic ones.1,2 Ceramic materials in general feature high chemical and thermal stability. Hence they are very preferable to be used as reactor construction materials, especially for reactors involved with high temperature and/or harsh chemical reactions. be used as the embedded fluidic structures (e.g. channels or cavities) get easily damaged in the stacked LTCC tapes by the high lamination temperature and/or pressure, causing sagging, tearing and cracking issues. Several approaches have been proposed so far in order to reduce these deformations and improve the quality of integrated LTCC fluidic structures. One method is using temporary inserts to introduce mechanical supports to the LTCC cavities to avoid deformation and/or sagging during lamination. These inserts, usually solid flexible objects, 23 are removed right after lamination. However, the removal of inserts from the laminate can cause permanent damage to these fluidic structures. Besides, this method is not applicable for fabricating fully embedded fluidic channels. Alternatively, a chemical-assisted lamination process has been proposed that enables low-pressure and/or lowtemperature bonding of LTCC green tapes. Roosen et al. 24used double-sided adhesive tape that contains acrylate adhesives and a polyethylene terephthalate (PET) film to ensure temporary binding of green tapes under a low lamination pressure at ambient temperature. Upon heating (40-60°C), these adhesives, together with the binders in the LTCC green tapes, soften and join the laminates through capillary forces. Aside from adhesives, ...

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Application of Design of the Experiment in Preliminary Investigations on the end Milling of Low Temperature Co‐fired Ceramics

Cited by 12 publications

References 13 publications

Overview on low temperature co-fired ceramic sensors

Overview on low temperature co-fired ceramic sensors

The First Step to Science Innovation: Down to the Basics

Fine structuration of low-temperature co-fired ceramic (LTCC) microreactors

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